Chevrolet P1539: Air Conditioning Clutch Status High Input

What Does The Chevrolet P1539 Code Mean?

Engine started; A/C Clutch relay disengaged, and the PCM detected the A/C status (voltage) was high for 5 seconds.

What Are The Potential Causes Of The Chevrolet P1539 Code?

• A/C clutch status circuit is shorted to system power (B+)
• A/C clutch relay is damaged or has failed (contacts are stuck)
• PCM has failed

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> GM Genuine Parts 12633238 Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

• 2000 Chevrolet Camaro and Pontiac Firebird Service Manual – Volume 1, page 1762.
• GM, 2013, Service Bullettin – Prior To Any Circuit Testing.