B1799
Lamp Turn Signal Front Output Circuit Open
B1799 is an OBD-II diagnostic trouble code meaning: Lamp Turn Signal Front Output Circuit Open. Common causes: burnt out turn signal lamp, broken or damaged wiring harness. Estimated repair cost: $6–56.
Symptoms
- Front turn signal does not work
- Turn indicators flashing at an increased frequency
- Error message on the dashboard
Causes
- Burnt out turn signal lamp
- Broken or damaged wiring harness
- Faulty relay or control unit
- Poor contact in connectors or lamp socket
How to Fix
- Check the turn signal lamp for burnout
- Inspect the wiring harness for damage or breaks.
- Check the contacts in the connectors and the lamp socket
- Test the relay and control unit
- Replace faulty components and clear error code
Related codes
FAQ
What does the B1799 code mean?
B1799 is an OBD-II diagnostic trouble code that indicates: Lamp Turn Signal Front Output Circuit Open
What causes a B1799 error code?
The most common causes of B1799 include: Burnt out turn signal lamp; Broken or damaged wiring harness; Faulty relay or control unit; Poor contact in connectors or lamp socket.
How do I fix a B1799 diagnostic trouble code?
To fix B1799: Check the turn signal lamp for burnout. Inspect the wiring harness for damage or breaks.. Check the contacts in the connectors and the lamp socket. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1799?
Do not drive — repair immediately
How much does it cost to fix B1799?
The estimated repair cost for B1799 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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