What does code P1390 mean on Jeep vehicles?
The timing belt has skipped one or more teeth.
OBD-II Code Jeep
P1390 — Jeep — Timing Belt Skipped One Tooth or More
The timing belt has skipped one or more teeth.
Common symptoms
- Severe power loss
- misfires
Possible causes
- Incorrect installation
- mechanical wear
Initial recommendation
Check engine timing immediately.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Jeep code P1390 with your vehicle's actual symptoms for more complete diagnostic guidance.
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