P1546 Chevrolet - A/C Clutch Status Circuit Low Voltage
- Faulty A/C Clutch Relay
- A/C Clutch Relay harness is open or shorted
- A/C Clutch Relay circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1546 Chevrolet Description
The Powertrain Control Module (PCM) will activate the A/C clutch relay when the PCM detects that A/C has been requested. When the PCM activates the relay, voltage should be present at both the A/C compressor clutch and the A/C clutch status circuit at the PCM.
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