00229

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00229 - Refrigerant Pressure

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, 'Output Test' with VCDS
  • Check Expansion Valve
  • Refrigerant Pressure Sensor:
    • Check Measuring Value Blocks
    • Check wiring, connections
    • Check for leak 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 at sensor connector)



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