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Symptom List: P2120-ACC PEDAL POSITION SENSOR 1 CKT PLAUSIBILITY Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P2120-ACC PEDAL POSITION When Monitored and Set Condition: P2120-ACC PEDAL POSITION SENSOR 1 CKT PLAUSIBILITY WITH BRAKE When Monitored: With the engine speed above 790 rpm and vehicle speed above 0 km/h. Set Condition: The ECM detects the Accelerator Pedal and the Brake Pedal have been depressed at the same time for longer than the allowable time. P2120-ACC PEDAL POSITION SENSOR 1 CKT SIGNAL VOLTAGE TOO HIGH When Monitored: With the ignition on. Set Condition: The ECM detects voltage on the Accelerator Pedal Position Sensor Signal circuit above 4.67 volts for 0.32 second. P2120-ACC PEDAL POSITION SENSOR 1 CKT SUPPLY VOLTAGE TOO HIGH OR When Monitored: With the ignition on. Set Condition: The Accelerator Pedal Position Sensor 1 5-Volt Supply voltage is too high or too low. P2125-ACC PEDAL POSITION SENSOR 2 CIRCUIT PLAUSIBILITY WITH 1 When Monitored: With the ignition on. Set Condition: The ECM determines that the APP Sensor 1 and APP Sensor 2 signals do not agree. 204 DRIVEABILITY - DIESEL |