Chrysler Error Code P1391: How to Fix It

Q: What causes Chrysler P1391 error code?

P1391 is typically caused by faulty camshaft or crankshaft position sensors, damaged wiring harnesses, poor electrical connections, or timing chain/belt issues that affect sensor signal timing.

Q: Can I drive with P1391 code?

Driving with P1391 is not recommended as it can cause sudden stalling, rough idling, and potential engine damage. The intermittent sensor loss can lead to unsafe driving conditions.

Q: How much does it cost to fix P1391?

Repair costs range from $100-300 for sensor replacement to $500-1500 if timing chain/belt work is needed. Diagnostic fees typically add $100-150 to the total cost.

Q: Is P1391 the same on all Chrysler vehicles?

P1391 has the same basic meaning across Chrysler vehicles (intermittent CMP/CKP loss), but sensor locations and testing procedures may vary by model year and engine type.

Abstract

Chrysler error code P1391 indicates an intermittent loss of signal from either the Camshaft Position (CMP) sensor or Crankshaft Position (CKP) sensor. This can cause rough idling, stalling, or complete engine shutdown, making it a high-priority issue that needs immediate attention.