B17AD
Rear Left Trailer Turn Lamp Control Circuit Short To Battery
B17AD is an OBD-II diagnostic trouble code meaning: Rear Left Trailer Turn Lamp Control Circuit Short To Battery. Common causes: damage to wire insulation, turn signal relay malfunction. Estimated repair cost: $56–167.
Symptoms
- Continuous left rear turn signal on trailer
- Turn signal lamp burnout
- Trailer left turn signal not working
- Possible tripping of fuses
Causes
- Damage to wire insulation
- Turn signal relay malfunction
- Problems in the headlight control unit
- Short circuit in wiring harness
- Turn signal squib malfunction
How to Fix
- Check the integrity of the wires in the turn signal circuit
- Inspect relays and fuses
- Check the operation of the headlight control unit
- Replace damaged wires or components
- Test the system after repair
Related codes
FAQ
What does the B17AD code mean?
B17AD is an OBD-II diagnostic trouble code that indicates: Rear Left Trailer Turn Lamp Control Circuit Short To Battery
What causes a B17AD error code?
The most common causes of B17AD include: Damage to wire insulation; Turn signal relay malfunction; Problems in the headlight control unit; Short circuit in wiring harness.
How do I fix a B17AD diagnostic trouble code?
To fix B17AD: Check the integrity of the wires in the turn signal circuit. Inspect relays and fuses. Check the operation of the headlight control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B17AD?
Limited driving only, diagnose soon
How much does it cost to fix B17AD?
The estimated repair cost for B17AD is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat