P2669 Allison Transmission Code. Allison Transmission Codes Manual All Things Foretravel the transmission remains in Reverse (R) or shifts to Neutral (N) If the engine control module (PCM) detects an incorrect signal from the actuator, the PCM will set code P2669
Chevrolet 2500HD 6. 6 Allison Transmission Won't Shift P2669 from zakruti.com
Once range is attained, transmission is locked in this range and there is no response to shift selector requests While diagnostic response is active, if shift selector is moved to N (Neutral), transmission shifts to neutral; if the shift selector is moved to R (Revere), transmission shifts to reverse.
Chevrolet 2500HD 6. 6 Allison Transmission Won't Shift P2669
Allison Transmission 3000/4000 series fault code list Allison Transmission PDF Service Manuals Automatic transmissions Allison 3000 and 4000 Series with electronic control Gen4 If failure occurs while in a forward range shift to 1st, 3rd, or 5th range is made The most common cause of this code is faulty transmission solenoids, an open or shorted solenoid harness, or poor electrical connection in the solenoid circuit
How to Find Your Allison Transmission Serial Number Location. [PDF] 2Mb: Download: Allison Transmission TS2973EN Troubleshooting Manual [PDF] 5.1Mb: While diagnostic response is active, if shift selector is moved to N (Neutral), transmission shifts to neutral; if the shift selector is moved to R (Revere), transmission shifts to reverse.
Allison Transmission 3000 HS, 3500 RDS, 3000 RDS, 3000 EVS, 3000 MH. - W136 shorted (terminal 4 of 20-way) to another wire in the internal transmission harness. If the engine control module (PCM) detects an incorrect signal from the actuator, the PCM will set code P2669