B1563

DTC B1563: A/C Refrigerant Pressure Signal Failure

DTC Detecting Condition and Trouble Area






DTC Troubleshooting



1.
Was "Air Conditioning System Check" performed?
YES
Go to Step 2.
NO
Go to Air Conditioning System Check:Auto A/C.

2. DTC check

Connect scan tool to DLC with ignition switch turned OFF.
Check DTC in ECM.

Is DTC P0532 or P0533 detected?
YES
Go to applicable DTC diag. flow.
NO
Substitute a known-good HVAC control module and a known-good BCM individually and recheck.