00229

00229 - Refrigerant pressure: 001 upper limit exceeded

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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