P1391 OBD Trouble Code

1 result found

P1391 - Chrysler
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

CMP or CKP Sensor Signal Intermittent Conditions

Cause

Engine runtime over 7 seconds, then the PCM detected that the Actual CMP level disagreed with the Expected CMP sensor signal level. Refer to code repair chart in other manuals or media to test CKP/CMP circuits, mounting hardware and operation.

Try also: http://www.obd-codes.com/p1391