Subcode 41 is set when the states of the calibration inputs are different for a calibration number of consecutive updates. The inputs in this case are Pump/Pack Enable and Automatic Neutral For Refuse Packer. The service display will also be turned ON if selected by calibration.
Allison WTEC II Fault Code: 63 PID: SPN: 40 FMI: Service brake status input failed on
Allison WTEC II Fault Code: 63 PID: SPN: 26 FMI: Kickdown input failed on
Allison WTEC II Fault Code: 63 PID: SPN: 00 FMI: Input function fault
Allison WTEC II Fault Code: 62 PID: SPN: 23 FMI: Retarder oil temperature sensor, failed high
Allison WTEC II Fault Code: 62 PID: SPN: 12 FMI: Retarder oil temperature sensor, failed low
Allison WTEC II Fault Code: 61 PID: SPN: 00 FMI: Retarder oil temperature sensor, failed low
