B0686
Security System Indicator Circuit Range/Performance
B0686 is an OBD-II diagnostic trouble code meaning: Security System Indicator Circuit Range/Performance. Common causes: open or short circuit in the indicator wiring harness, malfunction of the indicator itself. Estimated repair cost: $56–167.
Symptoms
- The security light on the dashboard is flashing or stays on
- Lack of indicator response when turning on the ignition
- Inability to activate the security system
Causes
- Open or short circuit in the indicator wiring harness
- Malfunction of the indicator itself
- Problems with the security control module
- Corrosion or poor contact in connectors
- Software error in control module
How to Fix
- Check the status of the security indicator
- Inspect the wiring harness and check connections for corrosion or damage
- Check the voltage and resistance in the indicator circuit
- Scan the control module for additional errors
- If necessary, replace the indicator or wiring harness
- Sat show error and test
Related codes
Error B0686 by Vehicle Brand
FAQ
What does the B0686 code mean?
B0686 is an OBD-II diagnostic trouble code that indicates: Security System Indicator Circuit Range/Performance
What causes a B0686 error code?
The most common causes of B0686 include: Open or short circuit in the indicator wiring harness; Malfunction of the indicator itself; Problems with the security control module; Corrosion or poor contact in connectors.
How do I fix a B0686 diagnostic trouble code?
To fix B0686: Check the status of the security indicator. Inspect the wiring harness and check connections for corrosion or damage. Check the voltage and resistance in the indicator circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0686?
Do not drive — repair immediately
How much does it cost to fix B0686?
The estimated repair cost for B0686 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat