B0104 on Gmc Yukon
Sensor Cleaning Air Blower Actuator A Control Relay
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Gmc Yukon 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 B0104.
- 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 B0104 Means on Your Gmc Yukon
B0104 is a diagnostic trouble code indicating: Sensor Cleaning Air Blower Actuator A Control Relay. This code relates to the body electrical system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Gmc Yukon Owner Reports
Source: NHTSA Complaints Database
"The front end air bag sensor #2 (b0104) gave out along with the tire pressure monitoring sensor (c0760-lr)."
"Srs: service air bag light on; srs scanner gave codes b0026; b0043; b0044; b0084; b0100; and b0104. found technical service bulletins possibly related to my specific vehicle (tsb#050941001; nhtsa#10013456) and (tsb#pit-4662; nhtsa#10026744). called gmc service center; they claimed unable to assist."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Gmc Yukon
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.