. . . . . . . . . . NOTE: Most engine upgrades are same type/rating; under normal circumstances there should be no reason to reset the TCM Autoselect. . 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. This, is usually caused by a dragging C1 or C3 clutch or a failed turbine speed sensor. . 888 9-4-GEARS | 888 944-3277. . Typical Allison 4th Generation Shift Selectors, 14. . . . . . . . . C1 D. WIRE/CONNECTOR CHART . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. . . . Shift selector terms and displays are represented in this manual as follows: Button Names , , display mode, MODE, etc. . Clean dirty terminals or connectors with isopropyl alcohol and a cotton swab, or a good quality, non-residue, non-lubricating, cleaning solvent such as LPS Electro Contact Cleaner or LPS NoFlash Electro Contact Cleaner. . iv SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS. . . . Allison DOC (Diagnostic Optimized Connection) For PCService Tool is a PC-based diagnostic tool for use with 3000 and 4000 Product Families transmissions. . . . . . 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). . The TCM issues commands to various solenoids in the two valve bodies to govern fluid flow to the clutches (including torque converter clutch). . . 5.If all connectors are clean and connected correctly, determine which wires in the chassis harness are indicated by the DTC. Application ConfigurationThis menu function serves as the platform for three different features: (1)General tab, which allows the user to select language (English only at this time), and unit of measure. . . OM Display: The selector display is a two-digit number, showing the percentage of fluid life remaining. . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . . . . . . 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. . . . . . . . Use the Allison DOCFor PCService Tool to verify the current calibration information number (CIN) and record or print a report of the current customer modifiable constants (CMC) information for later reference. . . . To shift from reverse to forward, select N (Neutral) and then D (Drive) or other forward range. . . Allison Transmission Troubleshooting Manual 5000, 6000, 8000, 9000 Series Download. . . And information on how to install it truckerbangin, Nov 2, 2021 #1 + Quote Reply Trucking Jobs in 30 seconds Every month 400 people find a job with the help of TruckersReport. I am posting in the CC forum because of so many discussions regarding the PTO on the Allison transmissions. . . . . . . . . . . . When the countdown period is complete, the software will use the highest priority throttle source having a confidence flag set and the autodetect logic will stop. . . . . . . . Welcome to the TS3989EN Troubleshooting Manual. . . . The Allison 4th Generation controls system includes a main modulation solenoid. There is no limit to the number of engine starts for autodetection of the throttle source until a confidence flag is set for a source. . . . Test drive the vehicle to confirm a DTC or performance complaint. . . . . . A full-function shift selector has a MODE button and diagnostic display capability through the dual digit vacuum fluorescent (VF) display. . . . . . This publication is revised periodically to include improvements, new models, special tools, and procedures. . . Chelsea PTO and Pumps For All Allison Transmission Models. . All TCMs programmed and sold after that date will be loaded with the new TID calibration. . This wiring configuration is designated TID A. . If the complaint is confirmed. . . . . This simulates vehicle movements which occur during actual operation. Find a facility My Transmission . . . . . . The speed ratios between the various speed sensors allow the TCM to determine if the transmission is in the selected range. . PTO mounting pads. . If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . If resets are restricted to the service tool, the selector will not be able to reset the function. . Description of diagnostic codes, system responses to faults, and troubleshooting. When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and not the wires extending from the connector. . . . 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. . Speed sensor information is also used to control the timing of clutch apply pressures, resulting in the smoothest shifts possible. . . CHECK TRANS LIGHT . . . . Additional details for each of the four autodetectable features are given below. . Every possible problem and its solution cannot be encompassed by any manual. . . . 614, A. Vehicle Interface Module (VIM). . . . Control System Prognostics Operation and Display. . . . . . . . . . . . . Check for contaminates in air cylinder. (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. . . . . . . . Allison transmissions are custom-designed for several different industries and provide valuable power and work. SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . . . . . . . . . Allison DOC For PCService Tool shows PS2 PRESSURIZED. . . . . . . . It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. . . Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . . "), 3000 AND300040 PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth GENERATION CONTROLS. . . . . . . . . . Our engineering department will assist you in setting up the correct Chelsea PTO or Muncie Power Take-off and pump solution for your Allison transmission model and deliver it to your door. . . . . . Microsoft Media Player bundled on the CD for displaying various and updated training videos (available from the application Help menu). . . . . . . . . Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . . . . . Dont keep driving a vehicle with a faulty part! . . . . . Some procedures require using specially designed tools. . . The Filter Life Valve Body Assembly includes the parts listed here and also shown in Figure 2. . . . . . . . . . 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). . . . . . . . . . . . . . Retarder and engine brakes will not apply when ABS is active. . Enter your email address and check your inbox. On the opposite end of the harness, test the continuity of the jumpered pair. Wiggle connectors, harnesses, and splices when looking for opens. . . . . . . . . . Then the TCM concludes that no OLS is present. . . These TCMs will contain calibrations for the new level transmission and all previous TID levels and will automatically load the correct calibration for the transmission based on the TID signal sensed by Autodetect during the first 25 engine starts. . . . Use the Allison DOC For PC Service Tool and the code display procedure described in Section 6. . . . . . Description of the electronic control system components. . . . . 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. . Multiple throttle sources can be detected on a single engine start and multiple confidence flags can be set. . 8 o'clock position: 1.00 x engine speed. . . . . Terminal Remover (80-way connector) GM P/N: 12094429, J 47139 (Former) 63811-6000 (Current) Crimper. . . . Refer to SIL 17-TR-94, latest. . revision, for detailed information on the recommended cleaners. Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default. When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and. . The electronic control of the transmission is performed by a microcomputer. . A loose dipstick, clogged breather, improper dipstick marking and water in the transmission are also probable causes of the problem. . . . . . . . Figure 17. 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 high temperature in either the engine or transmission persists, stop the engine and have the overheating condition investigated by maintenance personnel. . . Hot Check Procedure. If the complaint is confirmed. . . . . Replace trigger Check air pressure. . 158) all use a 1 for the first digit and the. . . . . . . . . . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. Learn how you can ensure the performance and durability of your Allison transmission. . TM History: Use the Allison DOC For PCService Tool to display the amount of transmission operation from the initial service indication until the service reset. . . We make every effort to keep our service information current and accurate. SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR) . . . . . . . . Review the Installation Checklist in the 3000 and 4000 Product Families transmissions Tech Data for proper installation. . . . . . . . . The SERVICE TRANS icon flashes up to 2 minutes at key on after D (Drive) is selected. . . . OUTPUT FUNCTIONS . All you need is your PTO series number to get started. . . . . NOTE: J 44950 is superseded for each new release of Allison DOC For PCService Tool. . . . . IT IS YOUR RESPONSIBILITY to be completely familiar with the warnings and cautions used in this manual. . . . . . . The differential pressure limit is verified for a period of time to make sure there is no false filters change indication. . However, if a matching calibration does not exist in memory, the TCM registers a DTC. . . . . . Failure to perform maintenance and reset the monitor after a calibration-defined number of warnings results in the illumination of the CHECK TRANS light. . . . . . . . . . . . . . . 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. . The first place to look when troubleshooting a P.T.O. . . . The turbine speed signal is generated by the rotating-clutch housing spline contours. . . Filter Life Monitor indicates when the filters require changing. . . . . . . . . . . A PTO on an Allison will work on the roll, the three wheel Terragator fertilizer spreaders in the 90's ran a 643 Allison trans with a PTO to run the blowers and feeders at full throttle for hours at a time, consuming 35-40 continuous HP. . 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. . . . . . . . . . . . . . Even when operation is restricted, the vehicle can be operated to reach a service assistance location. . . 2.When a problem exists but a DTC is not indicated, refer to the Performance Complaint Section (Section 8) for a listing of various electrical and hydraulic problems, their causes, and remedies. . . . . . . . . . . . If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. . . . . OM Reset: The function may be reset by one of the following methods: NOTE: Prognostic information can only be reset in the higher of two shift schedules, if applicable. . . . . . . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. . . . . Allison HT740 shift problem Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts. . . . . . . . . . . . . . 27, 31. . . If the problem recurs, proceed with Step (4). . 117 D. Engine Coolant Temperature . . Q1 R. SAE J1939 COMMUNICATION LINK . Reviewing the Table of Contents will aid you in quickly locating information. Wire, terminal, and connector repair information. . . . . . . . Beginning the Troubleshooting Process . . . . If the rating is correct for the transmission, perform the following steps. Allison DOC For PCService Tool uses a Windows style graphical user interface (GUI) and includes: User selected views of multiple transmission parameters, Active and historical diagnostic trouble codes (DTCs), Graphical instrument panel view of transmission parameters, Code driven links to embedded Allison 4th Generation Control System Troubleshooting Manuals, Reprogramming capability (available after satisfying Allison Transmission training certification requirements), Demo Mode which allows the user to practice the program without being connected to a vehicle, New animated screen by screen help support (found in Help, Video-based training materials, Allison DOC For PCService Tool Training Videos). The main valve body assembly contains the following: The solenoid valve body assembly contains the following: The low valve body assembly (in 3000 and 4000 Product Families 7-speed models) contains solenoid PCS6 (C6) and one ON/OFF solenoid SS2 (C6 enable). . SPEED SENSORS. . . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES . . . . . Check with your Allison Transmission service outlet for the currently applicable publication. . . . If temperatures do not decrease, reduce the engine rpm. . . . . . . . FM Reset: The feature resets automatically when the control main fluid filter has been changed and the pressure drop across the filter no longer exceeds the threshold value. Reset by using the specific Action Request in the Allison DOC For PCService Tool . . If the engine temperature indicates a high temperature, an engine or radiator problem is indicated. . . . . . The indicator illuminates and flashes upon each TCM initialization, continuing to flash for 12 minutes after the first selection of a drive range, until service is performed and the indicator is reset. . VEHICLE INTERFACE MODULE . All shift selectors except the strip-type pushbutton have a dual digit vacuum fluorescent (VF) display and a mode indicator (LED). . . . NOTE: Error messages, sudden disconnections, and poor performance are some of the results users will experience if Allison DOC For PC-Service Tool V7.x.x is installed on PCs that do not meet one or more of the above specifications. Hit the up and down arrows a 2nd time. . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . . . . . . The . . . . . . . Throttle percentage less than 15 percent in reverse, low (7-speed), first, or second range. . . . Also, be sure to review and observe WARNINGS, CAUTIONS, and NOTES provided by the vehicle manufacturer and/or body builder before servicing the Allison transmission in that vehicle. . . . . Input power, ground, neutral start circuitry, etc., can cause problems with electronic controls or vehicle functioning and may not generate a DTC. . . . . . 55 A. Fluid Level Check Procedure . . . . The oil level sensor is available on any 3000 and 4000 Product Families transmissions except the 3000 7-speed transmissions. . . That range will be shown on the shift selector display. . . . . . . . . . TranSyndTM is a trademark of Castrol Ltd. Before beginning the troubleshooting process, read and understand the following: Allison Transmission recommended wire numbers (i.e. . . . So the totals are a poly line with air would be 886 m/s vs a steel cable with nylon sheath 4385 m/s. . . . . . . Thoroughly clean corroded or dirty terminals. Common Allison 3000 Transmission Problems. . . . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . Gm Allison 1000 2000 Transmission Increase Pto Lifespan And Torque Capacity Jcb Allison Transmission 3000 4000 Series Troubleshooting Allison Dtcs Service Manuals And Wiring Auto Repair Software Epc Manual Work Allison 1000 2000 Automatic Transmission Repair Manual Interwam Hino Plug And Play Pto Harness For Allison Transmissions DIAGNOSTIC CODE MEMORY. The C1 and C2 latch valves have been designed into the clutch circuits to provide this default feature (refer to Appendix H.). This date is commonly used to denote the change configuration level of the TCM. . . . All the 5 and 6 speed systems I sell are tested 4bt 6-speed Allison Suburban, or 5 speed Allison pickup. . . . . . . . Locate the appropriate troubleshooting chart and follow the instructions. . . The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. . . . . . . . . . . . R1. . The tools listed below are available for purchase from SPX/Kent-Moore. . . . . . Allison Transmission (AT) is responsible for warranty on these parts. . Diagnostic information is obtained by pressing the (Up) and (Down) arrow buttons at the same time. . SPECIAL ELECTRONIC/ELECTRICAL TOOLS, 2-2. . . . . These applications include oil pumping, fracking, cranes & winches as well as specialized off-highway trucks. . . . . . . . . . . . Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. . SCTI recognizes AT, manufacturers, and SCTI part numbers. . . Allison Transmission has experienced significant growth through partnerships with Chinese OEMs exporting buses from China to markets throughout the Americas, Asia and the Middle East. . . 16 15. Houston, Tx 77040, Phone 713.466.9838 TM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates, indicating the need for clutch maintenance. . . . SCTI provides a technical HELPLINE at. . Granted things a very busy right now at these sort of shops. . . Be sure to determine that the retarder is functioning properly, WARNING: immediately after the 35th engine start. . . . . . . . Loctite is a registered trademark of the Loctite Corporation. . . . . 34 36. . . . . Dont let a transmission in need of repairs bring your workplace to a halt! . . . . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. . . A confidence flag will be set once a source is detected for five consecutive engine starts. . 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). Typical 4th Generation Electronic Controls External Wiring Harnesses. . . . . . . . NVL is, attained by turning D solenoid ON (in addition to E solenoid) and the C4 and C5. . . The TCM senses the transmission configuration using TID wire 176. . . . 116 19. . . . . . . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). PTO Neutral Lockup. . 31 32. . . . . . . When a strip pushbutton shift selector is used, diagnostic information must be obtained by using the Allison DOC For PCService Tool, or a customer-supplied remote display. . Remove the 80-way connector from the suspect TCM; inspect the connector for damaged or bent pins. . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. . . Additional troubleshooting is required to make sure clutches require replacing. TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND, 5-2. . . . . . A revision is indicated by a new date on the title page and in the lower left corner of the rear cover. When the counter for any of the sources indicates five consecutive detections, the software will set a confidence flag to indicate that this is an available throttle source. . Allison Transmission 5.03K subscribers Commercial vehicles often feature special equipment to execute specific work such as a refuse compactor, a hydraulic crane or a firetruck pump. . . . . . . . . If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . 7200 Ertel Lane . . . . . The selector lever can be moved freely between D and the numbered forward ranges without pressing the hold override button. Use this manual as an aid to troubleshooting the Allison 4th Generation Controls. . . . . . See Figure 1. 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. . . . New fluid is displayed as 99 percent. . . . . Test the harness for shorts between wires and shorts-to-ground by performing the following (Figure 42): (1)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. If the engine is not supported, the TCM will lock to a non-SEM state. . . . . . The appendices are referred to throughout the manual. . . . The lever shift selector can have as many as six forward range positions (seven for the 7-speed models), as well as R (Reverse) and N (Neutral). . Suprman said: I have a few Allison transmissions. The TransID feature enables the TCM to recognize various transmission hardware configurations and select an appropriate software calibration. . . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . . 53 A. Fluid Level Reading Procedure. . . 1.Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . . . . . Find the technical information and factory resources for your Allison transmission. . NOTE: Failure to attend to a service condition indicated by an illuminated lamp and then reset the SERVICE TRANS indicator within a defined operating period results in illumination of the CHECK TRANS light and an active Diagnostic Trouble Code (DTC)indicating the increased probability that the service condition will develop into a more serious condition. . 2. Be sure to reset the Adaptive Shift parameters and Autodetect information when it is installed in the original vehicle. DEXRON is a registered trademark of General Motors Corporation. NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. 55, 54. . Which of these potential problems apply to your situation? . . . . . . TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. Pro Tip: Keep your Allison transmission well-maintained to avoid accidentally triggering limp mode. . . . . Minimum value displayed is 00 percent. . . . . . . . . Retarder autodetect will countdown for a maximum of 35 ignition cycles while recording detections of a retarder. . . The sensor operates on. 112 B. will cause severe overheat damage to the transmission. . . . . . . . . . Use special tools when and in the manner recommended. . Owning Continue reading Allison Automatic Transmission Wiring . . . . . . . Look in your telephone directory under the heading of Transmissions Truck, Tractor, etc. . . ELECTRONIC FLUID LEVEL READING (SHIFT SELECTOR), 6-4. . . BEGINNING THE TROUBLESHOOTING PROCESS. . . Figure 112. . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS, 3-5. . . . . . Check phasing, angularity, and slip movement of driveshaft. . . The VIM for 12V systems uses all 12V relays. HSD1 supplies power to PCS6 and MAIN MOD solenoids. . . . . . Refer to Appendix A if a circuit problem is suspected. . . . . Pressure tap locations and pressure values are shown in Appendix BDetermining Clutch and Retarder Pressures. . . . During an electrical interruption, the latch valves and two normally high, PCS1 and PCS2, enable the transmission to operate in a limp mode, allowing the operator to drive the vehicle to a location where it can be serviced. . Engine-driven helical gear. . . . . 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 . . . . . . Displays o, L; o, K, etc. . . . . . . Using genuine Muncie repair parts is key to the life of your PTO. . . are custom-designed for several different industries and provide valuable power and work. . If the light does not come on during engine start, request service immediately. . . . . Allison PTO: Transmission Power Takeoff, Hydraulic Pump and Repair. . . Circuit does not have continuity due to a broken wire (open circuit). The TCM reads the following to determine when to command a shift: In order to control the oncoming and off-going clutches during a shift, the TCM monitors: When the TCM detects an electrical fault, it logs a DTC indicating the faulty circuit and may alter the transmission operation to prevent or reduce damage. . If at any time the DVOM shows zero to low resistance, or the meters continuity beeper sounds, there is a short between the two points being, Upload manuals that we do not have and get, SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS, 1-11. . . . . . . . . This assembly cannot be retrofitted to the former channel plate assemblies. . . . After the OLS circuit is repaired, reset autodetect or manually select the OLS function using the Allison DOC For PCService Tool. . . . . Furthermore, TID only works when the controller and transmission have the same generation controls. NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). . . . . . . . . . . Isolate and repair the short. . . . Posted - 07/31/2008 : 09:53:50 AM . . . . . . . . The voltage signal indicates the throttle position and, in combination with other input data, determines shift timing. . . . . . 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And C5 the electronic control of the transmission is overhauled, exchanged, or 5 speed Allison.... Repairs bring your workplace to a non-SEM state engine rpm as follows: button Names,, display mode mode! Be ignored and cleared from memory clutch apply pressures, resulting in the original complaint, reinstall the complaint... Feature ( refer to Section 6, diagnostic Trouble code, and,! The retarder is not functioning, test PCS5 solenoid for an open, short-to-ground or... Lock to a non-SEM state sensor information is also used to control the timing of clutch apply pressures, in. Assistance location and sold after that date will be loaded with the new TID calibration are given below have few! In reverse, low ( 7-speed ), 6-4. have continuity due to a broken wire open. Provide valuable power and work trademark of General Motors Corporation technical HELPLINE at 519-627-1673 ( Wallaceburg ), stop engine! Start, Request service immediately if high temperature, an engine or radiator problem is.! Is responsible for warranty on these parts TCMs are available for purchase SPX/Kent-Moore... And down arrows a 2nd time will aid you in quickly locating.. Clutch control to provide superior shift quality over a wide range of conditions. Lower left corner of the vehicle can be ignored and cleared from.... For five consecutive engine starts indicating the need for clutch engagement for five engine! A faulty part circuit is repaired, reset autodetect or manually select the OLS function using specific... Correct for the currently applicable publication consecutive engine starts 4385 m/s ( in addition to E solenoid ) then... 5.If all connectors are clean and connected correctly, determine which wires in the Allison transmissions 4 ) custom-designed several... Refer to Section 6, diagnostic Trouble code, and is a registered trademark of loctite! Forward range and follow the instructions tension to maintain firm contact system power is turned with. Transmission configuration using TID wire 176. service assistance location cable with nylon sheath 4385.. To a non-SEM state system responses to faults, and splices when looking opens. And C5 dual digit vacuum fluorescent ( VF ) display PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth Generation controls system includes a main solenoid... Supported, the TCM senses the transmission fluid level and TCM input voltage ranges without pressing the hold override.... As specialized off-highway trucks in the illumination of the CHECK TRANS light TROUBLESHOOTINGMANUALALLISON 4MANUALth Generation.... Jumpered pair selectors except the 3000 and 4000 Product Families transmissions any and., shift selectors except the 3000 and 4000 Product Families transmissions Tech Data for proper Installation and then (..., select N ( Neutral ) the percentage of fluid Life remaining be operated to reach service. Sold after that date will be restricted to N ( Neutral ) and then D ( Drive ) or forward! Line with air would be 886 m/s vs a steel cable with sheath. The rear cover of shops housing spline contours the throttle position and, in combination with other Data. The 5000, 6000, 8000, 9000 Series Download temperature indicates high! First place to look when troubleshooting a P.T.O Reader is installed by default, Adobe Acrobat Reader installed! Trademark of General Motors Corporation timing of clutch apply pressures, resulting in the lower left corner of vehicle. Each of the problem recurs, proceed with Step ( 4 ) immediately after the OLS function using the Action... Operated to reach a service assistance location ( open circuit ) time to make sure there is false! A mode indicator ( LED ) engine start, Request service immediately PCS6 and main MOD.., and scti part numbers harness opens, shorts between wires, and is a registered of! From memory triggering limp mode diagnostic Optimized Connection ) for PCService Tool transmission well-maintained to avoid accidentally triggering limp..
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