B0209

Rear Blower Motor Speed Range/Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Uneven operation of the rear fan
The fan does not turn on
The fan only runs at one speed
Noise or grinding noise from the fan

Causes

Rear fan malfunction
Problems with the wiring harness or connectors
Fan relay fault
Problems with the HVAC control unit
Short circuit or open circuit

How to Fix

Check the operation of the rear fan at all speeds
Inspect the wiring harness and connectors for damage.
Check fan relay
Check the voltage and resistance in the fan circuit
Replace fan or HVAC control unit if necessary

Related codes

B0208 B0210 B0211