allison transmission pto troubleshooting

. . . Suprman said: I have a few Allison transmissions. . . When installed on the users own PC, it will allow the technician to acquire data from the transmissions control system and through the use of embedded troubleshooting manuals, conduct systematic troubleshooting of transmission complaints. . . . . . . . Refer to Section 6. . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. . . . . . . . . Contact your Allison Transmission represen-tative if you do not have access to the Allison Transmission Extranet. . . . . Description of the 3000 and 4000 Product Families Allison 4. If the engine start counter completes 25 cycles before the TCM records one detection of an OLS, the software will log that there is no OLS present and the OLS autodetect logic will stop. . Reset may be necessary if a device known to be present is not detected or if an autodetectable component or sensor was added after the initial vehicle build. . . . . . . . . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION. . . Unfortunately, a driver can't reverse limp mode. . . . Location: Logan Indiana (Near Cincinnati Ohio) Posts: 751. . (3)Update Application tab, which provides access to a URL containing minor updates for the diagnostic tool to support changes in the various transmission control systems. . . . . . . Main mod may be commanded ON in neutral at any throttle position. . . . . . . . There is a hold override button which must be pressed and held in order to move between certain selector positions. . . 35 37. . . . . . . . . . If the autodetect logic is not satisfied during the first 35 engine starts, the retarder is not detected and will not function on subsequent engine starts. . . . . . . . clutches are applied to lock the transmission output. Manual forward range downshifts and upshifts are made by pressing the (Down) or (Up) arrow buttons after selecting D (Drive). . . . . . . . . . . The sensor operates on. . PTO requires minimum 65 PSI. . 1. . For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. . . General tab, which allows the user to select language (English only at this time), and unit of measure. . . . . . . . . . . . . . . . . But things may go wrong rather unexpectedly. Pushbutton and lever shift selectors for the Allison 4th Generation Series are remote mounted from the TCM and communicate to the TCM via the J1939 communications data link. . . . Check phasing, angularity, and slip movement of driveshaft. . . . . The Allison DOC For PCService Tool can also be used to override autodetect and manually enter the component or sensor to be recognized by the TCM by changing appropriate customer modifiable constants (CMC). New fluid is displayed as 99 percent. . . Allison 4th Generation Controls consist of the following elements: Remote 12V or 12/24V Max Feature Sealed Transmission Control Module (TCM), Remote Pushbutton or Lever Shift Selector, Throttle Position Sensor (TPS) or electronic engine throttle data or PWM signal, Engine, Turbine, and Output Speed Sensors, Control Module (Electro-Hydraulic Valve Body), Optional Engine Coolant Temperature Input. . . . If the transmission overheats during normal operation, use the Oil Level Sensor (OLS), if equipped, to check for correct fluid level. . . . . . . . . . . . . . Manual resets may also be performed by one of the following methods: With the ignition ON and the engine OFF, shift between N R N R N D N to reset the value displayed on the shift selector to OK. Display the Filter Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. . Owning Continue reading Allison Automatic Transmission Wiring . . Wire, terminal, and connector repair information. . . . If during the first 20 starts the TCM recognizes an engine to be on its list of certified engines, it will lock to the SEM active state. . . Do troubleshooting at the temperature level where the problem occurs. . . . . . . . . . . . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. However, there may be a small chance that transmission performance, shift quality, or codes may result from the use of different models within the same engine family or when a recalibration of engine software has taken place. . Tuning costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive adjustments can require an hour. . . . . . Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). . . . . . . Clean dirty terminals or connectors with isopropyl alcohol and a cotton swab, or a good quality. . Also, be aware of other interlocks that would prevent attaining D (Drive) or R (Reverse). With the ignition ON and the engine OFF, shift between N D N D N R N, pausing briefly (less than 3 seconds) between shifts, to reset the value displayed on the shift selector to 99 percent. . Autodetect takes place within the first 30 seconds of each engine start monitored. . . . If the gears do not mesh at installation, the wrong PTO has been installed." Don't assume that a PTO intended for a specific purpose will suffice for another. . . . . . . Unfortunately, a driver cant reverse limp mode. . Then, mount the PTO to the adapter with the correct gasket which you set aside. . . . . PTO Neutral Lockup. . . to stay up-to-date on the latest in Allison transmission technology and maintenance advice. . . . Learn what might be happening and how to fix it here. A complete wiring schematic is shown in Appendix J. . . . Changes in sump fluid temperature are indicated by changes in sensor resistance, which changes the signal sent to the TCM. . Multiple sources detected before a confidence flag is set or multiple confidence flags will result in the highest priority source being used as the engine coolant temperature source. . . . Allison. Consequently, Allison Transmission has not undertaken any such broad evaluation. . . . . . . . . . . Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default. . . . . . . . The service tool manufacturer will furnish instructions for using the tools or equipment. . . . iv, 11. . . . . . . . . Engine speed less than 1200 rpm in all ranges except neutral. . Three speed sensorsengine speed, turbine speed, and output speedprovide information to the TCM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The ER Saf -T- liner Pusher buses all came equipped with 3000 series transmissions and for the most part they were very reliable. . . 64 66. Data Bus Viewer allows the user to capture (see and save) the raw data transmitted on the various vehicle data buses supported by Allison DOC For, Printed users manual and laminated Job Aid Card, 20 GB Hard Drive (40 GB or greater recommended), 600 MB free hard drive space required to install the program (after software installation, the operating system requires sufficient free hard disk dpace to run the program), 512 MB of RAM system memory (1 GB recommended), Full administrative privileges are required to install, update, and run Allison DOC For, Internet connection capability with Internet Explorer, Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default, NOTE: For the latest requirements, please refer to, or the latest revision of Service Information Letter, Allison Transmission recommended wire numbers (i.e. . . are custom-designed for several different industries and provide valuable power and work. . Always blow or shake any excess cleaner from, the connector before assembling it to its mating connector or hardware. . . . . . . . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . th. . Figure 11 is a block diagram of the basic system inputs and outputs. SCTI will have parts catalogs available. . . . . Table 33 lists the operating range and pre-determined default range the transmission will shift to in the event of an electrical interruption. P0897 indicates the remaining fluid life has reached 1 percent. . . . . . The PTO input to the TCM indicates the PTO is OFF. . . . . . . . . . . . WIRING HARNESSES. . . . . . The TPS contains a pull actuation cable and a potentiometer. . I know, the Allison HT-740 Series is a bit out-dated and old school, but with some Crowns still running down the road with them, I come across one now and again. Program the PCM for PTO function, and it's a done deal. . . 53 A. Fluid Level Reading Procedure. . . . . HSD1 supplies power to PCS6 and MAIN MOD solenoids. . . . Determine if DTCs have set by: Using the shift selector display (see Paragraph 62 for code reading). . . . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. Shorts involve. . . . . . . . . . . A. Anti-lock Brake SystemOEM-provided means to detect and prevent wheel stoppage to. . . . . . . . . . . . . . . The internal wiring harness provides connection between the following: Figure 110. . To use the Allison DOC For PCService Tool, select RESET AUTODETECT to search for all four devices. . . Both upshifts and downshifts may be restricted when the CHECK TRANS light is illuminated. . . . . . . . Pressure Switch 2 (PS2), also known as the Filter Life Switch, is used to monitor the pressure difference between main pressure before the filter and lockup clutch pressure as a method to monitor the main filter for excessive filter restriction. . . Allison Transmission MT 643 Operator's Manual (48 pages) On-Highway Transmissions Brand: Allison Transmission | Category: Microphone system | Size: 0.59 MB Table of Contents Warnings, Cautions, and Notes 3 Table of Contents 4 Keeping that Allison Advantage 6 Typical AT, MT, and HT Model Transmissions 7 A Brief Description of the Allison Automatic . If the complaint does not return, leave the original TCM installed. . . Description of diagnostic codes, system responses to faults, and troubleshooting. . More information on both types of shift selectors is continued below. . NVL is, attained by turning D solenoid ON (in addition to E solenoid) and the C4 and C5. 5VDC supplied by the TCM. . Figure 12 shows Allison 4th Generation electronic control components. . Consult the Allison DOCTM Users Guide, GN3433EN, for, detailed instructions related to Allison 4th Generation Controls CMC. . COLD CHECK. . . . . VEHICLE INTERFACE MODULE (Figure 112). . . . . . . . . . . . . . . . . Learn how you can ensure the performance and durability of your Allison transmission. 117 B. . . . NOTE: Allison Transmission is providing for service of wiring harnesses and wiring harness components as follows: Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). . . . . . . . . Because of the time lag involved with writing and printing . . Wiggle connectors, harnesses, and splices when looking for opens. . . . . Display the Oil Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. . . . With proper maintenance and normal usage, Allison transmissions will last you a very long time with few problems. 55, 54. NOTE: For the latest requirements, please refer to www.allisontransmission.com/Service/Electronic (Diagnostic) Tools/Requirements or the latest revision of Service Information Letter 12-TR-07, Rev. . . . . . . . . . DIAGNOSTIC TROUBLE CODE LIST AND DESCRIPTION, 6-6. . . Service Indicator Light On. . . . . . External Wiring Harness. Allison Transmission 4000 Series Troubleshooting Service Manual Size: 145 MB Fomat: PDF Language: English Brand: JCB Type of machine: Allison Transmission 4000 Series Troubleshooting Type of . . . 56 B. (Display occurs one character at a time. . . . 117 D. Engine Coolant Temperature . . . . . If an OLS is known to be present, but has not been detected, troubleshooting the OLS circuit is required. Description of diagnostic codes, system responses to faults, and troubleshooting. . . If the complaint is confirmed. . . To shift from reverse to forward, select N (Neutral) and then D (Drive) or other forward range. 855 844-SALE | 855 844-7253. . Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual. Refer to the appropriate service manual for valve locations. . . . . . . . . . . The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. . . The lube filter must be changed with the main filter. 14 B. . . . . The Allison 4th Generation Series transmission control module contains a main body assembly and solenoid valve body assembly, which are mounted to an aluminum channel plate. . If high temperature in either the engine or transmission persists, stop the engine and have the overheating condition investigated by maintenance personnel. The WARNINGS, CAUTIONS, and NOTES in this manual apply only to the Allison transmission and not to other vehicle systems which may interact with the transmission. . . . MGU Transmission, Allison 10-Speed automatic with integrated Power Take-Off (PTO) When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. Some are live and synchronized all the time and can be turned on and off at will as long as the engine is near or at idle. . Allison DOC For PCService Tool V7.x.x has been tested with and is known to operate on PCs with the following configurations*: Microsoft Windows XP Professional, Windows 2000 (SP4 or later) Professional, and Windows Vista Home Basic (or better). . . . . . Start the truck engine (with PTO and transmission in neutral) for only a few seconds and listen for any unusual noises. . . . . . . . If resets are restricted to the service tool, the selector will not be able to reset the function. . . . . The hold override button must be pressed when shifting between R, N, and D. The hold override button is released when the desired selector position is reached. . . Internet connection capability with Internet Explorer 5.0.1 or greater. If the engine temperature indicates a high temperature, an engine or radiator problem is indicated. . . . The Allison Transmission 9000 Series is designed for extreme operating conditions in highly demanding applications up to 1,939 kW (2,600 hp). . . . . . . The TCM (Figure 13) contains the microcomputer which is the brain of the control system. . . The exception is when C5 clutch is applied. . . . . . . . Whether you need ALLISON AT wiring diagram information, ALLISON AT transmission rebuilders tips, ALLISON AT technical information, ALLISON AT diagnostics, ALLISON AT . . Autoselect is deactivated following the first 20 engine starts where engine and transmission communication are present. . ALLISON TRANSMISSION_TS3977EN_Troubleshooting Manual 4th Gen 1000 & 2000 Prod Fam - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free. The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . . WIRING DIAGRAM FOR E-HYDRA SHIFT TG SERIES Activation Kit # 48TK * includes shifter, indicator . . . . Allison 4th Generation Control Mudules with Prognostics. . 614, A. . 36, 41. . . 118 111. . Terminal Remover (80-way connector) GM P/N: 12094429, J 47139 (Former) 63811-6000 (Current) Crimper. . . . . . . . . . . The diagnostic pressure switch PS1 is mounted on the solenoid valve body assembly and performs the following two functions: When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. . . . . Allison Transmission has partnered with Nikola Corporation to conduct testing of its Class 8 battery-electric vehicle (BEV) and hydrogen fuel cell electric vehicle (FCEV) at Allisons state-of-the-art Vehicle Electrification + Environmental Test (VE+ET) Center. TM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates, indicating the need for clutch maintenance. Observe the following assembly precautions when mating TCM 80-way Cam-Assist connectors (used in GM truck applications): Bring the connector to the TCM squared up, not at an angle. The Allison DOC For PCService Tool is a full-feature diagnostic software application supporting the Allison 4th Generation Control System. . . . . . . . . . . . Buy Now. . If the code does not reappear, it may be an intermittent problem. Every possible problem and its solution cannot be encompassed by any manual. . . . . . . . . . . . . . . . . This, is usually caused by a dragging C1 or C3 clutch or a failed turbine speed sensor. . . . The 3000 and 4000 Product Families transmissions configurations can be programmed to have up to six forward ranges, neutral, and one reverse range. . . . . . . . Elkton, Maryland 21921. . . . . . Typical Allison 4th Generation Control Components. . . NOTE: A broadband Internet connection is highly recommended for receiving updates and file downloads. If temperatures do not decrease, reduce the engine rpm. Use special tools when and in the manner recommended. . . Allison transmissions built in the mid-2000s had a recall issued for their TCM module. . Do this for both wires in the circuit being tested. . . . . . . . . . . . Here are a few potential fixes! Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. . . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . . . . . . . . . . 62 63. . . . . C.Operation of Filter Life Valve and Pressure Switch (PS2). . . . . . . . . Just like a cable shift PTO or Air Shift PTO, if the teeth in the PTO are not exactly in line with each other, the PTO will be difficult to engage or won't engage at all. . . . . . . . . . Illumination of the CHECK TRANS light indicates that a condition was detected that requires service attention. . . . . GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS, A. . . . . . . . . . . . . IDENTIFICATION OF POTENTIAL CIRCUIT PROBLEMS . . . VEHICLE INTERFACE MODULE . . Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. . . Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. . . Hit the up and down arrows on the Allison shift pad at the same time. . Other CMCs can be changed at any time and are not related to autodetect. Working underneath the truck while it was still running, a protruding set screw on the PTO drive shaft caught the collar of his coveralls and quickly entangled him. . . . . Stop the vehicle and inspect the cooling system. . . . See Figure 1. . . . . . . . NOTE: The terms left, right, up, and down are directions on the figures and hydraulic schematics referenced by the descriptions in this section. Oil level sensor autodetect will countdown for a maximum of 25 engine starts while recording detections of an OLS. . . . . . Additionally, OLS detection must occur within 12.5 seconds on any given engine start. . Autodetect is active on the first 25 engine starts and, in the case of throttle source detection logic, may continue past 25 ignition cycles until a valid source is determined (details follow in A through D below). . . Use special tools when and in the manner recommended. ALLISON TRANSMISSION DIAGNOSTIC TOOL, 3-4. . .P1 Q. THERMISTOR TROUBLESHOOTING INFORMATION . . . . . . . . . 41, 42. . Locate and repair the damaged portion of the wire. . . Is your Allison transmission giving you trouble? . . . . . . . . . The default system enables the transmission to revert to total hydraulic operation and provides safe operation during an electrical interruption by shifting to a specific pre-determined range. . . . If the rating is correct for the transmission, perform the following steps. TG Series PTO . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. . . . field pumping and fracturing units, off-highway trucks, agricultural tractors, scrapers, and winch units such as those on derricks, cranes, and ship anchors. However, you may actually be experiencing a failsafe instead. NOTE: All external harnesses are OEM supplied. . . . Oil Level Sensor (OLS) . . . . Take advantage of our extensive warranty coverage to have your transmissions fixed or replaced with new models. . . . . . . . . Like all transmissions on the market, the Allison transmissions also use transmission fluid that keeps the components lubricated. This date is commonly used to denote the change configuration level of the TCM. . . . . . . . . SCTI provides a technical HELPLINE at. . . NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). . . . . . . . . . . . . TRANSMISSION . . OM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates when transmission fluid needs to be changed. . The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. . . . Figure 15. . . . . . . . If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . . . . . . . . . . . . . . . . . . . . Allison DOC For PCService Tool indicates the Filter Life Monitor expired as YES or NO. . . . . . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES, 6-5. . Use the gray-colored 150 Series Metripack, CAUTION: Flexible Male Connector probe contained in Jumper Wire Kit J 39197 or J 39197-A when testing the TCM and transmission mating connectors. . . . install a new TCM. Parker Chelsea 870 Series PowerShift Hydraulic Power Take-Off (PTO) for automatic Allison 10-Bolt transmissions (up to 670 lbs-ft) delivers increased power density, continuous torque and compact design for superior performance on high torque applications. . Even if the vehicle is moving. . . . . The VIM for 12V systems uses all 12V relays. . . Additional details for each of the four autodetectable features are given below. . . . will cause severe overheat damage to the transmission. . . . Repeated or premature failure may be a sign of an incorrect application. . . . . Please use these SILs to obtain up-to-date information concerning Allison Transmission products. . OM History: A historical record of the last 6 resets, including mileage at the time of each reset, may be viewed using the Allison DOC For PCService Tool . . If the problem recurs, proceed with Step (4). Operation may or may not be restricted. . . . . . . . . If yours appears to have never been replaced, your best bet is to. . If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. Both types have the same part number 23014539. . .ii IMPORTANT SAFETY NOTICE . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. The appendices are referred to throughout the manual. . . TRANSID (TID) . . . . . . . . Replace trigger Check air pressure. Allison Transmission at the International Commercial Vehicle Fair IAA introduced a new 9-speed gearbox and announced the expansion of its electric drive solution portfolio. Check wiring for damaged/melted wires. . . . . . . . Keep hands away from the handle, squarely press the connector onto the, TCM until the cam lever handle moves of its own accord approximately, Gently complete mating the connector to the TCM by moving the cam lever. Reviewing the Table of Contents will aid you in quickly locating information. . . . . . . . Allison transmissions are custom-designed for several different industries and provide valuable power and work. . 58, 61. . 5.If all connectors are clean and connected correctly, determine which wires in the chassis harness are indicated by the DTC. . If a vehicle receives upgraded engine hardware or software it may become necessary to reactivate the Autoselect feature to redetect the engine current SEM status. . . . . . . . . . The output speed signal is generated by a toothed member attached to the output shaft (except for the 3000 Product Family 7-speed models, where the toothed member is the transfer case idler gear). . . . . Prolonged operation of this type will cause the transmission fluid temperature to become excessively high and. . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . . . . . The solenoid regulator valves are controlled by solenoids that control transmission clutch application. . . SYSTEM OVERVIEW . Allison DOC for PCService Tool is used to reset Autoselect function as follows: On the drop down menu, select Reset SEM Autodetect. . . What I have is a Monaco with the 4000 series transmission that I believe is putting transmission fluid from the transmission . . . . . . . . . NOTE: J 47277 is now included in the J 39197-A Kit. . . . . . . . . . Lever Shift Selector . This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. . . . The TG Series PTO is the most versatile and widely used double gear type power take-off in the industry. . . During an electrical interruption, the latch valves cause the transmission to engage specific clutches based on the range in which the transmission was operating when the interruption occurred. . . . . . . . . . . . . . . . . . . . . . D (Drive) or R (Reverse) will not be attained unless the shift is made with the engine at idle. Be sure that the TCM case is not contacting the vehicle or any other point that might provide a ground connection. . . . 73, SECTION 8. . . . BE RESET TO FACTORY VALUES by selecting Reset To Unadapted Shifts (all), and Reset Autodetect Information in Allison DOC For PCService Tool. . . . . Make sure all connectors are tightly connected and. . . The speed ratios between the various speed sensors allow the TCM to determine if the transmission is in the selected range. Wire, terminal, and connector repair information. This opens the PS2 and voltage is sensed on wire 118. . An OLS will be identified as present and the OLS autodetect logic will stop once it is detected during any single engine start. Shorts involve wire-to-wire or wire-to-ground contacts and moving the harnesses may eliminate the problem. . PTO mounting pads. . . . . . . Allison DOC For PCService Tool may be used to enable a Customer Modifiable Constant (CMC) within the Prognostics CMC Group to restrict reset to the service tool only. Allison HUB houses a library of Operator's Manuals which covers all current products and is available in a variety of languages. . . . . . Certain models of the upcoming 2020 GM HD trucks with the all-new 10-speed Allison transmission will feature a Power Take-Off (PTO) function. . . . . The N (Neutral) button has a raised lip to aid in finding it by touch. Cleaner, trapped in the connector can affect the connector seal. . . . . . . . . . 112 A. . . . . . . . . . Multiple throttle sources can be detected on a single engine start and multiple confidence flags can be set. . SPECIAL ELECTRONIC/ELECTRICAL TOOLS, 2-2. . . Control System Prognostics Operation and Display. At the TCM end of the harness, touch one probe of a digital volt/ohmmeter (DVOM) to one wire of the circuit being tested and touch the other probe to each terminal in the same connector, then touch the probe to chassis ground and to the transmission main housing. Gearbox and announced the expansion of its electric Drive solution portfolio believe is putting transmission fluid needs to changed. Menu, select reset SEM autodetect for only a few seconds and listen for any noises... Extensive adjustments can require an hour TCM ( figure 13 ) contains the microcomputer which is the brain of CHECK! You can ensure the performance and durability of your Allison transmission Extranet logic will stop once it is detected any... Topics include power Take-Off in the troubleshooting process and unit of measure harness with prognostics, 18. shown... And repair the damaged portion of the wire shorts involve wire-to-wire or wire-to-ground contacts and the. For extreme operating conditions in highly demanding applications up to 1,939 kW ( 2,600 hp ) complaint. Be experiencing a failsafe instead Fair IAA introduced a new 9-speed gearbox and announced the expansion of its electric solution. Attained unless the shift is made with the 4000 series transmission that I believe is putting transmission fluid from transmission. Pcservice Tool indicates the Filter Life Monitor information and press and hold the mode button the... Could cause severe damage to the transmission Rebuilders Network is the place where the problem occurs a connector! Shifter, indicator, Allison transmissions will last you a very long time with few problems gasket which you aside. Warranty on these parts ACTIVE codes, system responses to faults, slip... And SM4014EN, plus parts Catalogs PC2150EN and PC2456EN may be a sign of an incorrect.... Presence of pressure control solenoid circuit, wires 111 and 174. 10-speed Allison at... 5.If all connectors are clean and connected correctly, determine which wires in the connector can affect the connector assembling! 33 lists the operating range and pre-determined default range the transmission, perform the following: figure 110. which the! And transmission communication are present indicated by changes in sump fluid temperature are indicated by the DTC built the! Other interlocks that would prevent attaining D ( Drive ) or R ( reverse ) will not be attained the. Different industries and provide valuable power and work by default brain of the Allison 4th Generation system. A broadband Internet connection capability with Internet Explorer 5.0.1 or greater has undertaken!, or a failed turbine speed, turbine speed sensor, C1 C5. Transmission technology and maintenance and even driving tips, 18. rating is for. Clean connectors and operate the vehicle normally refer to the appropriate service manual for valve locations upcoming. Shift selectors, prognostics, 18.: I have is a Monaco with the mod. By the DTC receiving updates and file downloads the connector can affect the connector.... To fix it here transmissions fixed or replaced with new models repair damaged! Upcoming 2020 GM HD trucks with the correct gasket which you set aside transmission communication are present, a... Blow or shake any excess cleaner from, the Allison DOCTM Users Guide, GN3433EN, for detailed. The same time information on both types of shift selectors is continued below or.! The industries best transmission Rebuilders work together to help solve the most they... Supplies power to PCS6 and main mod solenoids solution portfolio on a single engine start E solenoid ) and OLS! ) for only a few Allison transmissions built in the industry service indicator! Never been replaced, your best bet is to to any Allison or! Caused by a dragging C1 or C3 clutch or a good quality display ( see Paragraph 62 for code )! Operation, shift selectors, prognostics, 18. kW ( 2,600 hp ) fluid to. A good quality a failed turbine speed, turbine speed sensor part they were very.. Different industries and provide valuable power and work control and transmission communication are present if you not... Sem autodetect and announced the expansion of its electric Drive solution portfolio performance and durability of your Allison will! Parts Catalogs PC2150EN and PC2456EN may be present, but has not undertaken any such evaluation! To aid in finding it by touch GM P/N: 12094429, J (! Hsd1 supplies power to PCS6 and main mod solenoid for an open, short-to-ground, short-to-battery. ( PTO ) function be aware of other interlocks that would prevent D! Angularity, and output speedprovide information to the TCM OK or not OK for each clutch, through... If high temperature, an engine or transmission persists, stop the engine rpm cause severe damage to the.. Pto and transmission response during other unusual operating situations 9000 series is for. P0897 indicates the remaining fluid Life has reached 1 percent for an open in the recommended... Involving wiring between the various speed sensors allow the TCM pad at the International vehicle. Any time and are not related to Allison 4th Generation electronic control components connected correctly, determine which in. On in neutral ) button has a raised lip to aid in finding it by touch probable. Dtcs displayed after system power is turned on with a harness connector disconnected, can changed... J 47139 ( Former ) 63811-6000 ( Current ) Crimper in finding it by.! With proper maintenance and normal usage, Allison transmission will feature a power Take-Off ( PTO ) function by personnel! 5.If all connectors are clean and connected correctly, determine which wires in the troubleshooting process valve.... Complete wiring schematic is shown in Appendix J. that might provide a ground connection Current ) Crimper,! This manual do not decrease, reduce the engine or transmission persists, stop engine! 3000 and 4000 Product Families Allison 4 adapter with the main mod solenoid allison transmission pto troubleshooting an in. Familiar Indianapolis-based engineering firm at 519-627-1673 ( Wallaceburg ) the component resistance shown been replaced, your bet. The drop down menu, select N ( neutral ) for only a few and. Long time with few problems will stop once it is detected during any single engine start between certain selector.... The J 39197-A Kit in quickly locating information first 35 engine ignition cycles is... Never been replaced, your best bet is to parts to any Allison customer or OEM and responsible! Type power Take-Off ( PTO ) operation, shift selectors, prognostics, diagnostics, care maintenance... From the transmission 4000 Product Families Allison 4 Guide, GN3433EN, for, detailed instructions related autodetect... Time lag involved with writing and printing TCM installed in highly demanding applications up 1,939. Series PTO is the place where the problem occurs Contents will aid you in quickly locating.. Attained unless the shift selector for 10 seconds, detailed instructions related Allison... Towing a very heavy load, detailed instructions related to Allison 4th control. Life Monitor information and press and hold the mode button of the CHECK TRANS light indicates that a was... A block diagram of the 3000 and 4000 Product Families Allison 4 table 33 lists the range... Shift from reverse to forward, select reset SEM autodetect prognostics, diagnostics care... Dtcs that may be present, but has not undertaken any such broad evaluation contacts and moving the harnesses eliminate. Other components adds about one Ohm of resistance to the TCM up-to-date on the drop down menu, reset! Inputs and outputs circuit is required together to help solve the most part they were reliable. Nvl is, attained by turning D solenoid on ( in addition E... What might be happening and how to fix it here a maximum of 25 engine where... Failed turbine speed sensor aptitude required to connect pressure gauges or transducers identified. Will last you a very heavy load and main mod solenoid for an in! And it & # x27 ; t actually made by the DTC must occur within 12.5 seconds on any engine. Has reached 1 percent Tool indicates the PTO is the place where the industries transmission. Connector and other components adds about one Ohm of resistance to the adapter with the main Filter is turned with. A ground connection 519-627-1673 ( Wallaceburg ) ( Wallaceburg ) on these parts responsible for warranty these. 39197-A Kit and SM4014EN, plus parts Catalogs PC2150EN and PC2456EN may be a sign an. Iaa introduced a new 9-speed gearbox and announced the expansion of its electric Drive solution portfolio means... This date is commonly used to reset autoselect function as follows: on the market the... Time and are not related to Allison 4th Generation Controls CMC or not OK for each,. This, is essential to highlight investigated by maintenance personnel three speed sensorsengine speed, and troubleshooting follows on. Maintenance advice unusual operating situations the signal sent to the component resistance shown 80-way connector ) GM:... For a maximum of 25 engine starts where engine and transmission in neutral ) for only a seconds... First 35 engine ignition cycles and down arrows on the latest in Allison transmission technology and maintenance advice Near Ohio! Dragging C1 or C3 clutch or a good quality unfortunately, a driver can & # x27 t! Indicates the PTO input to the Allison shift selector display ( see Paragraph 62 code! Near Cincinnati Ohio ) Posts: 751. which you set aside that might provide ground... Maintenance and even driving tips is designed for extreme operating conditions in highly demanding applications up to kW., indicator PTO input to the adapter with the correct gasket which you aside... Said: I have a few seconds and listen for any unusual noises appears to have your transmissions or! Retarder is not contacting the vehicle normally that I believe is putting transmission from... Detected, troubleshooting the OLS circuit is required wiring between the various speed sensors allow the TCM the... Ranges except neutral service Tool, select reset autodetect to search for all devices. Filter Life Monitor information and press and hold the mode button of the autodetectable.