Allison

Allison WTEC II Fault Code: 22 PID: SPN: 16 FMI...

Main code 22 indicates a fault within a speed sensor, the wiring to a speed sensor, incorrect speed sensor gap, or damaged bumps or teeth which create the speed signal....

Allison WTEC II Fault Code: 22 PID: SPN: 15 FMI...

Main code 22 indicates a fault within a speed sensor, the wiring to a speed sensor, incorrect speed sensor gap, or damaged bumps or teeth which create the speed signal....

Allison WTEC II Fault Code: 22 PID: SPN: 14 FMI...

Main code 22 indicates a fault within a speed sensor, the wiring to a speed sensor, incorrect speed sensor gap, or damaged bumps or teeth which create the speed signal....

Allison WTEC II Fault Code: 21 PID: SPN: 23 FMI...

Main code 21 indicates the throttle position sensor has been retracted or extended by its linkage into an error zone. Code 21 23 is set when the ECU senses TPS...

Allison WTEC II Fault Code: 14 PID: SPN: 23 FMI...

Code 14 23 is programmed out of all calibrations.

Allison WTEC II Fault Code: 14 PID: SPN: 12 FMI...

Code 14 12 indicates the ECU has detected a voltage signal in the low error zone.OLS ground wire 135B is common to the TPS and the RMR devices. A power...