B0104 on GMC YUKON — Sensor Cleaning Air Blower Actuator A Control Relay

Q: "What does B0104 mean on a GMC YUKON?"

"B0104 indicates: Sensor Cleaning Air Blower Actuator A Control Relay. This is a body electrical code. 2 GMC YUKON owners have reported this to NHTSA."

Q: "What are the most common causes of B0104 on GMC YUKON?"

"Based on 2 NHTSA reports, the most commonly cited components are: Air Bags. These percentages are based on the component field in owner complaints."

Q: "Is B0104 serious on my GMC YUKON?"

"Of 2 NHTSA reports for this code on GMC YUKON, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my GMC YUKON shows B0104?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

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.

2 GMC YUKON owners have reported this issue to NHTSA across model years 2005. Most reports come from the 2005 model year. The most commonly reported component is Air Bags (100.0% of reports).

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)."

— 2005 GMC YUKON owner · AIR BAGS · Filed 03/13/2012

"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."

— 2005 GMC YUKON owner · AIR BAGS · Filed 10/22/2010

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'05

Common Causes on GMC YUKON

Based on NHTSA complaint component analysis for this vehicle.

AIR BAGS 100%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does B0104 mean on a GMC YUKON? ▾

B0104 indicates: Sensor Cleaning Air Blower Actuator A Control Relay. This is a body electrical code. 2 GMC YUKON owners have reported this to NHTSA.

What are the most common causes of B0104 on GMC YUKON? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Air Bags. These percentages are based on the component field in owner complaints.

Is B0104 serious on my GMC YUKON? ▾

Of 2 NHTSA reports for this code on GMC YUKON, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my GMC YUKON shows B0104? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

B0104 on Other Vehicles

→ All codes reported on GMC YUKON