00229

00229 - Refrigerant pressure: 001 upper limit exceeded

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Possible Causes

• Refrigerant system overcharged

• Cooling fan(s) are not functioning correctly

• Condenser is dirty or airflow is restricted or blocked

• Refrigerant system blockage, stuck expansion valve etc

• Refrigerant pressure sensor

Possible Solutions

• Use a gauge set to check low and high pressures

• Recover and recharge refrigerant to proper charge level (refer to vehicle label)

• Check cooling fans

• Check expansion valve

• Refrigerant pressure sensor:

• Check measuring value blocks

• Check wiring / connections

• Check for leak(s) at sensor connector

00229 - Refrigerant pressure: 002 lower limit exceeded

Possible Causes

• Refrigerant system undercharged

• Weak compressor / clutch

• Stuck open expansion valve

• Refrigerant pressure sensor

Possible Solutions

• Use a gauge set to check low and high pressures

• Recover and recharge refrigerant to proper charge level (refer to vehicle label)

• Check compressor / clutch

• Check expansion valve

• Refrigerant pressure sensor:

• Check measuring value blocks

• Check wiring / connections

• Check for leak(s) at sensor connector

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