Jeep DTC P1686 – No SKIM Bus Message Received
DTC P1686 meaning on Jeep
DTC P1686 on a Jeep indicates “No SKIM Bus Message Received.” SKIM stands for Sentry Key Immobilizer Module, which is a security feature that prevents unauthorized starting of the vehicle.
Jeep DTC P1686 symptoms
- Engine may not start
- Security light may be illuminated on the dashboard
- Issues with key recognition
Jeep DTC P1686 causes
- Defective SKIM module
- Issues with the key or key fob
- Wiring or communication problems in the SKIM system
Jeep DTC P1686 seriousness
The seriousness of DTC P1686 lies in the potential inability to start the vehicle due to the security system not recognizing the key. It can be a major inconvenience and may require immediate attention.
How to diagnose DTC P1686 on Jeep
- Check for other related DTCs
- Inspect the key and key fob for damage
- Test the communication between the SKIM module and other vehicle modules
How to fix DTC P1686 on Jeep
- Replace the SKIM module if faulty
- Ensure the key is programmed correctly
- Repair any wiring issues in the SKIM system
How to erase DTC P1686 on Jeep
- Use a diagnostic scanner to clear the DTC
- If the issue is resolved, the DTC should not reappear