Diesel Data: Automotive Repair

With Climate Control




The A/C compressor clutch and the A/C condenser/radiator fans are inoperative, but the blower and heater controls work

Probable cause: A/C pressure sensor circuit malfunction

Do the A/C pressure sensor troubleshooting:

A/C pressure sensor circuit low voltage DTC Troubleshooting

A/C pressure sensor circuit high voltage DTC Troubleshooting

NOTE: The A/C pressure sensor can malfunction without setting a DTC

Also check for

B-CAN

Also check for

U-codes, loss of communication

Also check for

Climate control DTCs How to Troubleshoot the Climate Control System

Also check for

Powertrain DTCs

Also check for

Poor or loose connections at the terminals