Allison WTEC II Fault Code: 13 PID: SPN: 23 FMI: ECU input voltage, high

Main code 13 indicates either a high or low input voltage. High voltage is over 35V.
In the event of a power loss, the transmission fails to the ranges indicated in the following, depending upon which latch valve releases ?rst

Possible causes:
1) Faulty vehicle alternator
2) Faulty vehicle voltage regulator

Allison WTEC II Fault Code: 13 PID: SPN: 13 FMI: ECU input voltage, medium low

Allison WTEC II Fault Code: 13 PID: SPN: 12 FMI: ECU input voltage, low

Detroit DD13 EPA07 (2007-09) Fault Code: SPN 5444 FMI 1 (MCM) Engine Crankcase Breather Oil Separator Speed Too Low

Detroit DD13 EPA07 (2007-09) Fault Code: SPN 4259 FMI 4 (MCM) Injector Amplifier Control Valve Cylinder 4, 5, 6 Shorted to Ground

If you want to know other articles similar to Allison WTEC II Fault Code: 13 PID: SPN: 23 FMI: ECU input voltage, high you can visit the category Allison.

truckshd

Allison WTEC II Fault Code: 13 PID: SPN: 13 FMI: ECU input voltage, medium low
Allison WTEC II Fault Code: 14 PID: SPN: 12 FMI: Oil level sensor, failed low