OBD-II code · Body
B0233 Rear Tail Lamp Circuit
The body control module has detected a fault in the rear tail lamp circuit. The lamp does not match the commanded state.
Is it safe to drive with B0233?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBulb burned out
- PossibleWiring open or socket corroded
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.2–1 h
- Emissions test
- Usually unaffected
- Parts involved
- Tail Lamp, Body Wiring Harness
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.