B1054moderate severityBody
Air Delivery Mode Door Range Error
on 2006 GMC Canyon 2.8L I4 · RWD
What this code means
The HVAC module cannot move the mode (vent selection) door through its full range, usually a stuck door or failed actuator. No direct OBD P-code equivalent.
Symptoms
- Air comes from wrong vents
- Mode won't change
- Clicking behind dash
Common causes
- Faulty mode door actuator
- Stuck or broken mode door
- Wiring fault to actuator
- HVAC module fault
Diagnostic steps
- Command mode actuator with scan tool
- Listen and feel for door movement
- Check actuator wiring and connector
- Inspect mode door for binding
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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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