Code result
B0237
Backup Lamp Circuit
Moderate severity
What it means
The body control module has detected a fault in the backup (reverse) lamp circuit. The lamp does not match the commanded state when reverse gear is engaged.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Bulb burned out
highOne of the most commonly reported causes for this code — check this first.
Reverse switch failed
mediumA plausible cause — test and verify before replacing parts.
Related help
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