Fault Code 2194

Fault code 2194

Power supply, rear blower regulator

Diagnostic conditions
- Ignition on
- Battery voltage OK (11.4 to 14.5 V)
- Internal function test completed on rear air-conditioning system regulator control module

Possible causes of fault
- Short circuit to ground
- Open circuit/short circuit to B+
- Blower regulator faulty
- Blower motor faulty
- Rear air-conditioning system regulator faulty

Affected pins
Air-conditioning system regulator control module, rear: Plug B
- Pin 1 'Supply voltage (power supply to rear blower regulator)'

Diagnosis/troubleshooting