The body control module has detected a fault in the driver window motor down-direction control circuit. The window may not lower correctly.
Low severity. Can I keep driving?You can normally keep driving. If it affects the lights or visibility, get it repaired before driving at night or in the rain.
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Most likely causes
- Window motor failed or seized
- Wiring shorted or open
What to check, in order
Start with the simplest. You can tick off each step.
Good to know
- Repair difficulty: medium
What each character of B0252 means
- B: Body
- 0: Generic code: same on every make
- 2: Subsystem depends on the code range
- 52: Specific fault in that system
Frequently asked questions
Can I keep driving with code B0252?
You can normally keep driving. If it affects the lights or visibility, get it repaired before driving at night or in the rain.
What causes code B0252?
The most common causes are: window motor failed or seized; wiring shorted or open.
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.