P1546 ISUZU – Air Conditioning Clutch Feedback Circuit Low Voltage

 

P1546 ISUZU Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

P1546 ISUZU Possible Causes

 

Faulty A/C Clutch Relay,A/C Clutch Relay harness is open or shorted,A/C Clutch Relay circuit poor electrical connection

 

P1546 ISUZU 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.