P1254
DTC P1254
G92527t28: CHECK THE ACCELERATOR PEDAL DEMAND SENSOR GROUND CIRCUIT
1. Disconnect the ECM electrical connector EN16 and the accelerator pedal electrical connector PA1.
2. Measure the resistance between EN16-19 and PA1-1.
3. Measure the resistance between EN16-20 and PA1-2.
- Is the resistance less than 5 ohms?
-> Yes
DIAGNOSE the electronic engine control system.
-> No
REPAIR the accelerator pedal demand sensor ground circuit from the accelerator pedal to the ECM. CLEAR the DTC. TEST the system for normal operation.