Code No. P2123: Accelerator Pedal Position Sensor (Main) High


DIAGNOSIS CONTENT



TROUBLE JUDGMENT


Check Condition
  • Ignition switch: ON
Judgment Criterion
  • The accelerator pedal position sensor (main) output voltage is above the threshold for the specified time.

FAIL SAFE FUNCTION



PROBABLE CAUSE



  • Failed accelerator pedal position sensor (main)
  • Failed electrical harness in accelerator pedal position sensor (main) circuit