P1234 JEEP Possible Causes
- Faulty Accelerator Pedal Position (APP) Sensor
- Accelerator Pedal Position (APP) Sensor harness is open or shorted
- Poor electrical connection in the Accelerator Pedal Position (APP) Sensor circuit
How to Fix JEEP Code P1234?
Start by checking the “Possible Causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine Light On (or Service Engine Soon Warning Light)
P1234 JEEP Meaning
The Engine Control Module (ECM) has detected a fault in the Accelerator Pedal Position (APP) Sensor circuit