Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Dodge and Ram >> 2021 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0572 To P1239 >> DTC Troubleshooting >> P0645-A/C Control Circuit/Open >> Possible Causes

Possible Causes

Possible Causes
A/C CLUTCH RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
A/C CLUTCH RELAY CONTROL CIRCUIT SHORTED TO GROUND
A/C CLUTCH RELAY CONTROL CIRCUIT OPEN
A/C CLUTCH RELAY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

scientia non olet · About Mike's Workshop Manuals