B3838
Park Lamp Relay Control Circuit
B3838 is an OBD-II diagnostic trouble code meaning: Park Lamp Relay Control Circuit. Common causes: faulty side light relay, open or short circuit in wiring harness. Estimated repair cost: $22–56.
Symptoms
- Side lights do not turn on
- Side lights are unstable
- The warning light on the dashboard comes on
Causes
- Faulty side light relay
- Open or short circuit in wiring harness
- Problems with the control unit
- Corrosion of relay contacts or connectors
How to Fix
- Check the side light relay for malfunction
- Inspect the wiring harness for damage
- Check relay contacts and connectors for corrosion
- Test the control unit for errors
- Replace faulty components
Error B3838 by Vehicle Brand
FAQ
What does the B3838 code mean?
B3838 is an OBD-II diagnostic trouble code that indicates: Park Lamp Relay Control Circuit
What causes a B3838 error code?
The most common causes of B3838 include: Faulty side light relay; Open or short circuit in wiring harness; Problems with the control unit; Corrosion of relay contacts or connectors.
How do I fix a B3838 diagnostic trouble code?
To fix B3838: Check the side light relay for malfunction. Inspect the wiring harness for damage. Check relay contacts and connectors for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3838?
Limited driving only, diagnose soon
How much does it cost to fix B3838?
The estimated repair cost for B3838 is $22–56. Actual cost depends on your vehicle, location, and labor rates.
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