B0052: Passenger Seat Belt Sensor
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA complaint patterns, then kept at generic code level because this page is not scoped to one make or model.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for B0052.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What Does B0052 Mean?
B0052 code: Passenger Seat Belt Sensor. Symptoms, likely causes, diagnostic path, severity, and repair cost context.
Symptoms of B0052
- ⚠️ Warning light or diagnostic trouble code is stored
- ⚠️ Symptoms vary by vehicle and by the system that set the code
- ⚠️ Related codes, freeze-frame data, and live data are needed before replacing parts
- ⚠️ Vehicle may fail an emissions or safety inspection until the code is resolved and monitors reset
Common Causes
- 🔍 Circuit, sensor, actuator, wiring, connector, module, or mechanical condition detected by the relevant control module
- 🔍 Low battery voltage, poor ground, corrosion, water intrusion, or intermittent connector contact
- 🔍 Vehicle-specific calibration or service bulletin condition that must be checked by VIN
B0052 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"I was in a head-on collision (T-bone) going over 40 mph. Despite the severity of the collision no airbags deployed and both front seatbelts failed. Error Codes: B0052:00 Deployment commanded; B0015:04 Driver seat belt buckle tensioner deployment loop open; B0022:04 Passenger seat belt buckle tensi"
— Gmc Yukon owner, 2025-04-11
"CAR IS GIVING CODE B0052-13 AND IS TURNING OFF AIR BAG AND SHOWING SRS CODE WITH SEATBELT OFF CODE FOR PASSENGER AIR BAG. SEATBELT IS FAULTY AND NOT COVERED UNDER ANY FACTORY WARRANTY. MY CONCERN IS IF MY CAR IS IN AN ACCIDENT MY PASSENGER WILL NOT BE PROTECTED AND COULD CAUSE BODILY INJURIES."
— Dodge Dart owner, 2019-09-02
Source: NHTSA Complaints Database
Most Reported Vehicles for B0052
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | DODGE DART | |
| 2 | GMC YUKON |
Frequently Asked Questions
Is B0052 enough to replace a part?
Can I drive with B0052?
What To Do Next
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.