P1391

Intermittent Loss of CMP or CKP — Chrysler / Dodge / Jeep

P1391
Intermittent Loss of CMP or CKP
Manufacturer-specific: Chrysler / Dodge / Jeep
Manufacturer Code

This is a manufacturer-specific code used only by Chrysler / Dodge / Jeep vehicles. It's not part of the universal OBD2 standard, so only scanners with dodge-specific software can fully diagnose it.

What it means: Intermittent Loss of CMP or CKP

💡 Tip: Manufacturer codes require a dodge-capable scanner or a visit to a dealer/specialty shop. Generic OBD2 scanners won't show you the full details of this code.

This is a reference only. For accurate diagnosis of this dodge-specific code, have a technician scan your vehicle.

Looking for other dodge codes or generic codes?

Browse Manufacturer Codes Full Lookup Tool