B1041moderate severityBody
Air Mix Door Range Error
on 2005 GMC Canyon 2.8L I4 · RWD
What this code means
The HVAC module cannot move the air mix (temperature blend) door through its full range, often due to a stuck door or bad actuator. No direct OBD P-code equivalent.
Symptoms
- No temperature control
- Air stuck hot or cold
- Clicking from dash
Common causes
- Faulty air mix door actuator
- Stuck or broken blend door
- Wiring fault to actuator
- HVAC module fault
Diagnostic steps
- Command actuator with scan tool
- Listen for actuator movement
- Check actuator wiring and connector
- Inspect blend door for binding
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ANCEL AD410 →
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Serious DIY~$100
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Autel MaxiCOM MK808S →
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Autel MaxiSys MS906 Pro →
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Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open