Operation CHARM: Car repair manuals for everyone.

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.