Allison WTEC II Fault Code: 69 PID: SPN: 23 FMI: ECU, H solenoid driver open

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.

Categories Allison, DTC TRUCKS, WTEC II Tags 23, 69, Allison, Code, Driver, ECU, Fault, FMI, H, II, Open, PID, Solenoid, SPN, WTEC

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