P1531 OBD Trouble Code

1 result found

P1531 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

Low Air Conditioning Refrigerant Charge Conditions

Cause

Engine running, then PCM detected that the compressor cycled on 10 or more times within 15 minutes, and that the compressor on time for each cycle was under 1.5 seconds (clutch off each time)

Try also: https://www.obd-codes.com/p1531