P1390 – Dodge DTC

Dodge DTC P1390 – Timing Belt Skipped One Tooth or More

DTC P1390 meaning on Dodge

DTC P1390 on a Dodge indicates that the Engine Control Module (ECM) has detected that the timing belt has skipped one tooth or more in relation to the camshaft and crankshaft positions.

Dodge DTC P1390 symptoms

• Engine misfires
• Loss of power
• Engine running rough
• Check Engine Light illuminated

Dodge DTC P1390 causes

• Worn timing belt
• Incorrect timing belt installation
• Timing belt tensioner failure
• Timing belt pulley misalignment

Dodge DTC P1390 seriousness

The seriousness of DTC P1390 lies in the potential for engine damage if the timing belt skip is not addressed promptly. Continued driving with a skipped timing belt can lead to severe engine issues.

How to diagnose DTC P1390 on Dodge

1. Perform a visual inspection of the timing belt and related components
2. Check the timing marks on the camshaft and crankshaft to verify alignment
3. Use a scan tool to monitor camshaft and crankshaft position sensor data

How to fix DTC P1390 on Dodge

1. Replace the timing belt if worn or damaged
2. Ensure correct installation of the timing belt with proper tension
3. Inspect and replace the timing belt tensioner if necessary
4. Check and realign timing belt pulleys

How to erase DTC P1390 on Dodge

1. After fixing the underlying issue causing the DTC, use a scan tool to clear the code
2. Drive the vehicle to allow the ECM to relearn the correct timing parameters

Recommended tools for Dodge diagnostics

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