P1686 – Dodge DTC

Dodge DTC P1686 – No SKIM Bus Message Received

DTC P1686 meaning on Dodge

1. DTC P1686 indicates “No SKIM Bus Message Received” on Dodge vehicles.

Dodge DTC P1686 symptoms

• Engine may not start or may start and then stall immediately.
• Security light on the dashboard may be illuminated.

Dodge DTC P1686 causes

• Issues with the SKIM (Sentry Key Immobilizer Module) system.
• Faulty SKIM module.
• Wiring or communication issues in the SKIM system.

Dodge DTC P1686 seriousness

1. DTC P1686 can prevent the vehicle from starting, leading to inconvenience.
2. It may also indicate a potential security system malfunction.

How to diagnose DTC P1686 on Dodge

1. Use a diagnostic scanner to retrieve the fault codes and check for DTC P1686.
2. Inspect the SKIM system components for any visible damage or loose connections.
3. Check the wiring harness and connectors for any signs of wear or corrosion.

How to fix DTC P1686 on Dodge

1. Repair or replace any damaged wiring or connectors in the SKIM system.
2. If the SKIM module is faulty, it may need to be replaced.
3. Perform a reprogramming procedure on the SKIM module if necessary.

How to erase DTC P1686 on Dodge

1. After fixing the underlying issue, use a diagnostic scanner to clear the fault codes, including DTC P1686.
2. Ensure that the repair has been successful by checking for any recurring fault codes.