Main code 69 indicates the ECU has malfunctioned. ECU, open driver, C solenoid circuit
To assist in tracking ECU reliability, the subcode has been included to indicate the cause of the ECU malfunction. Most codes, except Code 69 34, can be cleared; but they will probably recur. Replacing the ECU corrects the problem.
Allison WTEC II Fault Code: 69 PID: SPN: 23 FMI: ECU, H solenoid driver open
Allison WTEC II Fault Code: 69 PID: SPN: 22 FMI: ECU, G solenoid driver open
Allison WTEC II Fault Code: 69 PID: SPN: 21 FMI: ECU, F solenoid driver open
Allison WTEC II Fault Code: 69 PID: SPN: 16 FMI: ECU, E solenoid driver open
Allison WTEC II Fault Code: 69 PID: SPN: 15 FMI: ECU, D solenoid driver open
Allison WTEC II Fault Code: 69 PID: SPN: 14 FMI: ECU, C solenoid driver open
