In addition, the company continues to develop and maintain ongoing network solutions for integrated and efficient fleet management in remote mode. Obsolete and hard to find parts for all model allison transmissions, marine gears and torque converters. Use pdf pages 346353 and run through those test procedures. I have a 2008 peterbuilt with a p2669 code and a shift solenoid 3 code it seems like it stuck in 3rd gear it has a allison trans. This is a generic transmission diagnostic trouble code dtc and typically applies to obdii vehicles equipped with an automatic transmission. Poor performance may activate a code without illuminating the check trans 1 light. Check for damaged components and look for broken, bent, pushed out, or corroded connectors pins. When this code is set, the do not shift response and neutral with no clutches is commanded. These automatic transmissions are developed for more than 300 leading world manufacturers of equipment and are used for the following sectors of the market buses, rescuers and utilities, builders and dispensers of products. You can check for codes on allison transmissions using the shift keypad.
Solenoid low side circuit, open driver, or wire shorted to. Shift selector operation and code manual how to use the. Allison transmission 30004000 series fault code list. Check with your allison transmission service outlet for the currently applicable publication. The allison md 3000 electronic transmission is a regular component in a lot of fleets. Allison error j1939 code electrical fmca rv forums a. The prognostics of the allison generation 5 transmission.
Indicates when a snapshot of transmission data has been stored in the tcm. In this case, the engine control module ecm has detected a deteriorated condition for the transmission fluid codes related to the p0897 include. Diagnostic codes will appear two characters at a time on a pushbutton or lever selector. Checking transmission codes allison md 3000 series on vimeo. The transmission will initially attain 1st range and, as vehicle speed. For a pushbutton shift selector, simultaneously press the up and down arrows one time. Home travel photos motorhome links rv technical help.
Press and hold the mode button for approximately three seconds until the led indicator. Allison transmission 30004000 series fault code list truck manual. These codes are logged in a list in the ecu memory with the most severe or otherwise most recent code listed. I think one factor is the synthetic transmission oil we have been using for the last 5 years. Allison automatic transmission checking codes mechanics hub. Allison transmission is the worlds largest manufacturer of automatic transmissions for commercial vehicles and offroad applications. Operators 2010december manual om3758en allisontransmission. Transmission the allison 4 th generation controls feature closedloop clutch control to provide superior shift quality over a wide range of operating conditions. The transmissions described in this handbook include the world transmission electronic control system, a torque converter with lockup and torsion damper, and three planetary gear sets. The transmissions described in this handbook include the wtec iii control system, a torque converter with lockup clutch and torsional damper, and three planetary gear sets. On shallow sump models, only rear ports are available. Wiring harness has no opens, shorts between wires, or shorts to ground. With that said, lets look at some of the codes you may run into for these vehicles. After the transmission is at operating temperature, allow vehicle engine to idle on level ground for 34 minutes.
Do you have diagnostic trouble codes dtcs and need allison at troubleshooting information. Allison 2000 transmission troubleshooting help, allison 2000. P2669 meaning the powertrain control module monitors the transmission solenoid circuits by supplying voltage to the solenoids through this circuit, then checking for voltage returning from the solenoids through each of the individual solenoid control wires. Allison 3000 mh transmission fault codes dtc codes quick checks main code sub code 12 check. Connections to the cooling circuit are located at the front or rear of the transmission to facilitate installation of remote cooler lines. The shift selectors have also been redesigned for this generation. Oct 27, 20 the allison md 3000 electronic transmission is a regular component in a lot of fleets. If you push both arrows together with the ignition on a 4 digit number will appear if in fact there is a code in the video there are no present codes. The transmissions described in this handbook include the wtec iii control system, a torque converter with lockup and torsion damper, and three planetary gear sets.
Allison transmission resource guide blogs roadtruckers. These automatic transmissions are developed for more than 300 leading world manufacturers of equipment and are used for the following sectors of the market buses, rescuers and utilities, builders and. Intermittent connections or lack of batterydirect power and ground connections may cause this and other codes. Clear all codes, testdrive the vehicle, and rescan to see if any codes reappear. The transmission rebuilders network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. A brief description of the allison transmission the allison transmissions refer to figure 4 through figure 7 described in this manual include. How to get code allison transmission and how to reset. Reading allison gen 5 codes to read codes on the newer allison gen 5 controls, it depends on if you have a press button or level style shift selected. Diagnostic trouble codes dtc and 2000 product families troubleshooting manual allison 4 th. Silverado, sierra sensed parameter fault code acceptable operating range and rationality primary malfunction detection parameters secondary monitoring parameters and conditions monitoring time length and frequency of check fault code. P0762 tech notes when the a transmission solenoid is stuck on, in most cases the problem is not the electrical part of the solenoid. Diagnostics the electronic control system of your allison automatic is programmed to inform the operator of a problem with the transmission system and automatically alert the operator.
Vehicle charging system is not over or undercharging. This includes oil life monitoring, filter life monitoring, and transmission health monitoring. Allison transmission codes part 3 clearing codes youtube. Description of diagnostic codes, system responses to faults, and troubleshooting. The dtc section lists diagnostic codes and their description. In transmissions with electronic shift controls, power is supplied to the transmission control module through the transmission control output circuit.
P0877 transmission fluid pressure sensorswitch d circuit low. Allison transmission 30004000 series fault code list download pdf manual see also. Battery direct ground and power connections are tight and clean. Learn what does p0877 transmission fluid pressure sensorswitch d circuit low means, location and how to repair. Each code consists of a twodig it main code and a twodigit subcode. Allison was owned by general motors up until 2007, when it was sold to a private equity company. I have a 2008 peterbuilt with a p2669 code and a shift. For some problems, diagnostic codes may be registered without the tcmecu activating the check trans light. On the n1 to r shift the transmission is commanded to the previous range. Allison transmission continued on next page main sub code code code description shift selector diagnostic codes 52 xy off going c3ps test x to y. Allison transmission a 629 540 43 00 onboard diagnostics, 15. Included in the allison onhighway transmission family are the 3000 mh and 4000 mh series transmissions. Allison transmission 30004000 series fault code list allison transmission pdf service manuals automatic transmissions allison 3000 and 4000 series with electronic control gen4. Professional automotive technicians use and trust this service manuals now continue reading.
This article originally appeared on as p0897 obdii trouble code. Using the allison world transmission shift selector the touch pad commonly found in motorhomes equipped with this transmission is more than just a gear selector. Description of the electronic control system components. If the diagnostic code is not translatable to an allison code, easy answer is to use the electronic shift pad to download the allison code directly. This company then took allison public on the new york stock exchange in 2012. Ignitionkey on, engine off press up and down arrows at the same time. The following ecu responses to a fault provide for safe transmission operation. When i put the transmission into d for drive,push button with d n r arrows and mode it shows 6 and it does go through all six gears. For a detailed list of diagnostic transmission codes for model year 09 shift selectors, see pages 31 through 34. Hi, i have a 2006 american tradition with the c9 and allison 3000 transmission.
Mar 18, 2015 i have a 2008 peterbuilt with a p2669 code and a shift solenoid 3 code it seems like it stuck in 3rd gear it has a allison trans. The h 4050 ep systemtm overspeed faults codes with a main code of 81 may be logged in conjunction with this code. Transmission connector is tight, clean, and undamaged. Diagnostic codes will appear one digit at a time on a single digit display lever or pushbutton selector. If all points check, call western states converters and transmissions. Using the allison world transmission shift selector. I have a 2008 peterbuilt with a p2669 code and a shift solenoid. Service and repair of transmissions allison for the smooth operation of the automatic transmission allison it is necessary to comply with the requirements of the manufacturer, in time to make maintenance and troubleshoot any problems. It drove fine the first couple shorter trips we went on. Allison transmission service manuals wiring diagrams. Alsn is the worlds largest manufacturer of fully automatic transmissions for medium and heavyduty commercial vehicles and is a leader in hybridpropulsion systems for city buses. Western states converters and transmissions troubleshooting. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
When an ecu with a version 8 or 8a calibration is used with a pretransid transmission, 55 xx codes are. If codes continue to reoccur, bring the vehicle to an authorized allison transmission repairing outlet to diagnose and repair the problem causing the codes. Allison transmission generation models explained diesel. Additional codes could be logged for other shifts where x indicates the range from and y indicates the range to. The iss sensor can be a permanent magnet pm generator or a halleffect switch creates an onoff square wave signal that is used directly by the pcmtcm for speed detection. Diagnostic trouble code dtc the diagnostic trouble code number referring to the general. Visually inspect the related wiring harness and connectors. This is the complete official full service repair manual for the allison transmission 4000 rds generation controls vocational models. The transmission fluid level will be shown in the display first, followed by the prognostics and then the diagnostic codes.
P0715 turbine shaft speed tss sensor circuit malfunction. Gurdjian, f76350 llison introduced its world transmission to the motorhome. Do you have diagnostic trouble codes dtcs and need allison 2000 troubleshooting information. Understanding of allison transmissions output retarders to include. How to use the shift selector to read oil level and diagnostic codes.
When the electronic control unit ecu detects a problem condition, the ecu. W t e c i i i e l e c t r o n i c c o n t r o l s t r o u b l e s h o o t i n g m a n u a l 0011 00103 main code 55 indicates the c3 clutch is the oncoming clutch in a shift and the c3 pressure switch did not close at the end of the shift. Allison 2000 series 1 no part of any atsg publication may be reproduced, stored in any retrieval system or transmitted in any form or by any means, including but not limited to electronic, mechanical, photocopying, recording or otherwise, without written permission of automatic transmission service group. That may include but is not limited to vehicles from chrysler, ford, dodge, hyundai, kia, ram, lexus, toyota, mazda, honda, vw, etc. Through readouts on your shift selector, you will be able to monitor transmission oil levels, read diagnostic codes and prognostic information. Manually clearing codes and active indicators from the code list. Allison transmission codes chassis fmca rv forums a. Allison transmission fault codes, troubleshooting wiring. A brief description of the allison 3000mh, 4000mh series transmissions included in the allison onhighway transmission family are the 3000mh and 4000mh series transmissions. P0762 is a diagnostic trouble code dtc for shift solenoid c stuck on.
Allison transmission codes are 4 digits, while checking for a code you can hit the mode button on the shift pad as many times you want to see if there is more than one code. Operators manual at, mt, ht series onhighway transmission. These transmissions may also contain an integral retarder the. Allison transmission pdf service manuals allison transmission fault codes pdf manuals title file size download link allison 30004000 series troubleshooting manual. The purpose of the automatic transmission is to match the engines optimum power and torque characteristics to the drivers desired rate of acceleration and speed by autoselecting different gear ratios or speeds to power the wheels. This product can be useful for many reasons, such as.
This manual provides troubleshooting information for allison transmission md 3560pr. Fourth generation shift selector operation and code manual. This circuit provides the requisite power for the transmission control module, the transmission solenoidpressure switch assembly, and the pcm under normal operating. Obdii code p0708 is defined as a transmission range sensor circuit high input. Allison at transmission troubleshooting help, allison at. View and download allison transmission shift selector operation manual online. Service and repair of transmissions allison for the smooth operation of the automatic transmission allison it is necessary to comply with the requirements of the manufacturer, in.
For instance 3500 means no battery voltage is getting to the transmission control unit. Allison was founded in 1909, and is today known as allison transmission. Source address 3 not available or condition answered by a verified technician. P2669 is a diagnostic trouble code dtc for actuator supply voltage b circuitopen. The p0897 code is a generic powertrain code related to the transmission, including pressure faults and sensor failures. What happens is the push button shift control does the fish eye thing and you lose shifting ability. For some problems, diagnostic codes may be registered without the tcm activating the check trans light. It serves as a communication link between the transmission and the operator. Transmission identification charts acura model year engine trans type transmission cl 199697 l4 2. A brief description of the allison world transmissions included in the allison world transmission family are the md, hd, and b series transmissions. Your allison transmission authorized service outlet should be consulted whenever there is a transmissionrelated concern. Allison transmission at the international commercial vehicle fair iaa introduced a new 9speed gearbox and announced the expansion of its electric drive solution portfolio.
We have been using them for many years and there have been some faults with them including wiring issues and clutch failures but for the past few years they have been bullet proof. If one of the solenoid return circuits does not have the correct voltage returning to the pcm, the pcm will set a code for that. Nov 18, 2015 the automatic transmission tss turbine shaft speed or iss input shaft speed sensor provides transmission input speed to the transmission control module tcm. Many of the questions are common across the country.
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