How to enter diagnostic mode in Allison Transmission?
How to enter diagnostic mode in Allison Transmission?
EXITING THE DIAGNOSTIC MODE DISPLAYING DIAGNOSTIC CODES 1 TO ENTER THE DIAGNOSTIC MODE Using a pushbutton shift selector, simultaneously press the UP and DOWN arrows once if the transmission does not have an oil level sensor and twice if the transmission is equipped with an oil level sen- sor.
What is the Allison six speed push button pad code?
P1891 Throttle Postion Sensor Pulse Width Modulation (PWM) Signal Low Input P1892 Throttle Postion Sensor Pulse Width Modulation (PWM) Signal High Input check transimission code P0872. Replaced pressure switch solenoid ran good for 5 days getting same code again. Allison six speed push button pad has no power. Wires are good to TCM.
How does the code list work on Allison?
Each item is displayed for about one second. The display cycles continuously until the next code list position is selected by pressing the MODE button. THE FOLLOWING LIST REPRESENTS A CODE DISPLAY USING CODE 25 11 AS AN EXAMPLE: Code list position d 1 (will be displayed one digit at a time on a shift selector with a single digit display).
What is the Allison Transmission recommended wire number?
Allison Transmission recommended wire numbers (i.e. 112) consist of three digits, where the first digit indicates the TCM 80-way connector number, and the last two digits indicate the pin-out information (i.e. 12).
What is the oil level code on an Allison Transmission?
ALLISON TRANSMISSION SHIFT OIL LEVEL CODE ox 50 59 65 70 79 89 95 SELECTOR CODE DESCRIPTION Setting time too short Engine RPM too low Engine RPM too high Neutral not selected Sump fluid temperature too low Sump fluid temperature too high Output shaft rotation detected Oil level sensor failed DISPLAYING OIL LEVEL INFORMATION
What does the Allison Transmission Control package do?
The Allison electronic controls package oversees the operation of the transmission, controlling transmission upshifts and downshifts, and providing important information on the operation of your drive system. Through readouts on your shift selector, you will be able to monitor transmission oil levels and read diagnostic codes.
Each item is displayed for about one second. The display cycles continuously until the next code list position is selected by pressing the MODE button. THE FOLLOWING LIST REPRESENTS A CODE DISPLAY USING CODE 25 11 AS AN EXAMPLE: Code list position d 1 (will be displayed one digit at a time on a shift selector with a single digit display).
How does the Allison automatic shift selector work?
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. When the Electronic Control Unit (ECU) detects a problem condition, the ECU: – Restricts shifting – Illuminates the CHECk TRANS* light on the instrument panel
