B0014 on Gmc Terrain
Air bag deployment circuit or seat wiring fault
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Gmc Terrain context without treating complaints as confirmed diagnoses.
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 B0014.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner 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 B0014 Means on Your Gmc Terrain
B0014 on Gmc Terrain points to air bag deployment circuit or seat wiring fault. FixIt matched 2 NHTSA owner reports for this exact code/vehicle pair, so use this page to prioritize the most likely symptoms, components, and next checks before replacing parts.
Real Gmc Terrain Owner Reports
Source: NHTSA Complaints Database
"WHILE DRIVING MY 2010 TERRAIN, MY SERVICE AIRBAG LIGHT REPEATEDLY CAME ON.I TOOK IT TO THE GMC DEALERSHIP FOR REPAIRS,I WAS TOLD THE AIRBAG CONNECTOR WIRES WERE DEFECTIVE. THIS IS THE STATEMENT THE DEALERSHIP PUT ON MY REPAIR INVOICE : DIAGNOSTICS.& HISTORY CODE B0014.FOUND DOCUMENT # 2601877.SUGGEST FOLLOWING THIS DOC"
"The airbag system on my 2020 GMC Terrain has an intermittent malfunction. The airbag warning light turns on and off and the diagnostic code B0014 has been identified by a dealership. When the warning light is on, the airbag system may not deploy properly in a crash, creating a safety risk. The vehicle has approximately"
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Gmc Terrain
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.