P1686 Jeep Code - No SKIM BUS Messages Received
Quick Answer
The P1686 diagnostic trouble code for Jeep vehicles indicates that no SKIM (Sentry Key Immobilizer Module) bus messages have been received by the Engine Control Module (ECM). Common causes include Faulty wiring connections between SKIM and ECM, Malfunctioning SKIM module, Damaged ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1686 Jeep indicates No SKIM BUS Messages Received.
- Common causes
- Common causes include Faulty wiring connections between SKIM and ECM, Malfunctioning SKIM module, Damaged ECM.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1686 Jeep Description
The P1686 diagnostic trouble code for Jeep vehicles indicates that no SKIM (Sentry Key Immobilizer Module) bus messages have been received by the Engine Control Module (ECM). The SKIM is a security feature that prevents the engine from starting unless the correct key is used. When the ECM does not receive any messages from the SKIM, it can lead to the vehicle not starting or running properly.
Common Causes of P1686 Jeep
- Faulty wiring connections between SKIM and ECM
- Malfunctioning SKIM module
- Damaged ECM
- Communication error between SKIM and ECM
- Low battery voltage
Symptoms of P1686 Jeep
- Engine not starting
- Engine stalling
- Loss of acceleration
- Security light flashing on the dashboard
- Check engine light illuminated
How to Fix P1686 Jeep
- Check and repair any faulty wiring connections between SKIM and ECM.
- Test the SKIM module for proper functioning and replace if necessary.
- Verify the ECM for any damage and replace if needed.
- Reset and reprogram the SKIM module to ensure proper communication with the ECM.
- Clear the fault codes and perform a test drive to confirm the issue has been resolved.
Cost to Fix P1686 Jeep
The typical repair costs for addressing the P1686 code can vary depending on the specific cause of the issue. In general, the cost of replacing a SKIM module can range from $200 to $500, while an ECM replacement can cost between $500 and $1000. Labor costs can add an additional $80 to $150 per hour, and the total repair bill can range from $300 to $1500. It's important to consult with a qualified mechanic to accurately diagnose the issue and provide an exact cost estimate based on the specific circumstances of the vehicle.
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