P0685 Jeep Code - Auto Shutdown Relay Control Circuit Failure
Quick Answer
The P0685 code for Jeep vehicles indicates an Auto Shutdown Relay Control Circuit Failure. Common causes include Wiring issues or damaged wiring harness, Faulty auto shutdown relay, Malfunctioning PCM. 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
- P0685 Jeep indicates Auto Shutdown Relay Control Circuit Failure.
- Common causes
- Common causes include Wiring issues or damaged wiring harness, Faulty auto shutdown relay, Malfunctioning PCM.
- 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 P0685 Jeep Description
The P0685 code for Jeep vehicles indicates an Auto Shutdown Relay Control Circuit Failure. This means that there is a malfunction in the circuit that controls the auto shutdown relay, which is responsible for shutting off power to the engine in certain situations, such as in the event of a crash or if the engine is overheating. When this circuit fails, it can lead to a variety of issues with the vehicle's performance and overall functionality.
Common Causes of P0685 Jeep
- Wiring issues or damaged wiring harness
- Faulty auto shutdown relay
- Malfunctioning PCM
- Problems with the ignition switch
- Corrosion or poor connections in the circuit
Symptoms of P0685 Jeep
- Engine stalls unexpectedly
- Vehicle does not start
- Check engine light is illuminated
- Loss of power while driving
- Rough idle or misfiring
How to Fix P0685 Jeep
- Begin by performing a visual inspection of the wiring harness and connections to identify any damage or corrosion.
- Test the auto shutdown relay to determine if it is functioning properly. Replace if necessary.
- Check the PCM for any signs of damage or malfunction. Reprogram or replace as needed.
- Inspect the ignition switch for any faults and repair or replace if necessary.
- Clear the diagnostic trouble codes from the vehicle's computer and test to ensure the issue has been resolved.
Cost to Fix P0685 Jeep
The typical repair costs for addressing an Auto Shutdown Relay Control Circuit Failure can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost for parts such as a new auto shutdown relay, wiring harness, or PCM can range from $100 to $500 or more. Labor costs at an auto repair shop can add an additional $100 to $300 or more, depending on the shop's hourly rates and the complexity of the repair process. Overall, drivers can expect to pay anywhere from $200 to $800 or more to address this issue. It is advisable to consult with a trusted mechanic or dealership for a more accurate cost estimate based on the specific circumstances of the vehicle in question.
Tech Notes for P0685 Jeep
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