2012 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

P0219-ENGINE OVERSPEED CONDITION

P0219-ENGINE OVERSPEED CONDITION

For a complete wiring diagram, refer to the Wiring Information.



Possible Causes

CRANKSHAFT POSITION SENSOR WIRING AND CONNECTORS
CRANKSHAFT POSITION SENSOR
DRIVER ERROR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 28 - DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure).


CHECK FOR ACTIVE DTC
1. Turn the ignition off.
2. Check the CKP Sensor wiring between the Powertrain Control Module (PCM) and CKP Sensor harness connectors for poor terminal contact, corrosion or other problems that may cause erratic CKP Sensor signals.
3. Check the CKP Sensor for damage and proper mounting.


Were there any signs of damage?

Yes


No