Cadillac P1546: A/C Clutch Status Circuit Low Input
Is your scanner showing Cadillac P1546?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1546: A/C Clutch Status Circuit Low Input
OVERVIEWWhat Does The Cadillac P1546 Code Mean?
Engine started, A/C Clutch requested “on”, and the PCM detected an unexpected low voltage condition on the A/C Clutch status circuit for over 5 seconds during the CCM test.
What Are The Potential Causes Of The Cadillac P1546 Code?
Below are some potential causes of this DTC:
- A/C clutch status line is open or shorted to ground
- A/C clutch relay is damaged or has failed (contains not closing)
- A/C clutch relay power circuit is open (test AC CRUISE fuse)
- 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!
