Fault Code 0819

Fault Code 0819

Air conditioning pressure sensor

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

Possible causes of fault
- Short circuit to B+
- Implausible signal
- Open circuit/short circuit to ground
- Pressure sensor faulty
- Front air-conditioning system regulator control module faulty

Affected pins
Air-conditioning system regulator control module, front: Plug C:
- Pin 23 (Pressure sensor)

Diagnosis/troubleshooting

Work Instruction 1 - 3:

Work Instruction 4 - 7: