B3885
Trailer Left Tail Lamp Circuit
B3885 is an OBD-II diagnostic trouble code meaning: Trailer Left Tail Lamp Circuit. Common causes: burnt out lamp, wire harness break. Estimated repair cost: $6–33.
Symptoms
- The left side light does not light up when the trailer is secured
- warning on the dashboard
- error in control unit memory
Causes
- burnt out lamp
- wire harness break
- oxidation of contacts in the connector
- faulty relay
- problem with the control unit
How to Fix
- Check the lamp in the left side of the trailer
- Inspect the wiring harness for breaks
- Clean the contacts in the connector
- Check relay
- Scan the control unit for other errors
Related codes
Error B3885 by Vehicle Brand
FAQ
What does the B3885 code mean?
B3885 is an OBD-II diagnostic trouble code that indicates: Trailer Left Tail Lamp Circuit
What causes a B3885 error code?
The most common causes of B3885 include: burnt out lamp; wire harness break; oxidation of contacts in the connector; faulty relay.
How do I fix a B3885 diagnostic trouble code?
To fix B3885: Check the lamp in the left side of the trailer. Inspect the wiring harness for breaks. Clean the contacts in the connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3885?
Do not drive — repair immediately
How much does it cost to fix B3885?
The estimated repair cost for B3885 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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