Chrysler DTC P1390 – Timing Belt Skipped One Tooth or More
DTC P1390 meaning on Chrysler
DTC P1390 on a Chrysler indicates that the timing belt has skipped one tooth or more in relation to the camshaft and crankshaft positions.
Chrysler DTC P1390 symptoms
- Engine misfires
- Loss of power
- Engine running rough
- Check Engine Light illuminated
Chrysler DTC P1390 causes
- Worn timing belt
- Incorrect timing belt installation
- Timing belt tensioner failure
- Timing belt pulley misalignment
Chrysler DTC P1390 seriousness
The seriousness of DTC P1390 on a Chrysler lies in the potential for severe engine damage if not addressed promptly. Ignoring this issue can lead to valve and piston contact, resulting in costly repairs.
How to diagnose DTC P1390 on Chrysler
- Perform a visual inspection of the timing belt for wear or damage.
- Check the alignment of the timing belt with the camshaft and crankshaft pulleys.
- Use a scan tool to monitor camshaft and crankshaft position sensor data for discrepancies.
How to fix DTC P1390 on Chrysler
- Replace the timing belt if worn or damaged.
- Ensure correct installation of the timing belt with proper tension.
- Inspect and replace the timing belt tensioner if necessary.
- Check and correct any misalignment of timing belt pulleys.
How to erase DTC P1390 on Chrysler
- After fixing the underlying issue causing DTC P1390, use a scan tool to clear the diagnostic trouble code.
- Drive the vehicle to allow the system to relearn and verify that the code does not return.
Recommended tools for Chrysler diagnostics
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