Fault Code 0229

Fault code 0229

Refrigerant pressure

Diagnostic conditions
Fault type 'lower limit value not reached':
- Battery voltage OK (11.4 to 14.5 V)
- Internal function test completed on air-conditioning system regulator control unit
- Engine on
- Ambient temperature > 12 °C

Fault type 'upper limit value exceeded':
- Battery voltage OK (11.4 to 14.5 V)
- Internal function test completed on air-conditioning system regulator control unit
- Engine on

Possible fault causes
Fault type 'lower limit value not reached':
- Refrigerant pressure < 1.4 bar (min. 2 sec.)

Fault type 'upper limit value exceeded':
- Refrigerant pressure > 32 bar (5 times within a single driving cycle)

Affected pins
-

Diagnosis/troubleshooting