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