P2669 Allison Transmission Code. Allison Transmission Fault Code Spn 2003 Fmi 31 Troubleshooting Tips 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 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 Codes Manual All Things Foretravel from www.allthingsforetravel.com
- W171 (terminal 6 of 20-way) high resistance or an open circuit in internal transmission harness 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
Allison Transmission Codes Manual All Things Foretravel
- W136 shorted (terminal 4 of 20-way) to another wire in the internal transmission harness. If this happens to be a transmission code in your case, you definitely want to repair this sooner rather than later Transmission may not shift properly; Common Problems That Trigger the P2669 Code
[SOLVED] P2669 Code How To Fix Actuator Supply Voltage Circuit Open. The transmission uses several actuators to engage an hold gears [PDF] 2Mb: Download: Allison Transmission TS2973EN Troubleshooting Manual [PDF] 5.1Mb:
Silverado or Sierra with allison 1000 p1779 and p0700 transmission code. If the engine control module (PCM) detects an incorrect signal from the actuator, the PCM will set code 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