OBD-II code · Body
B0283 HVAC Blower Motor Circuit
The HVAC controller reports a fault in the blower motor control circuit. Blower may run at incorrect speed or not at all.
Is it safe to drive with B0283?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyBlower resistor or final stage failed
- PossibleWorn blower motor brushes
- Less likelyShort in blower wiring
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Repair at a glance
- Difficulty
- Easy
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Usually unaffected
- Parts involved
- HVAC Blower Motor, Blower Resistor, HVAC Control Module
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.