LEMON Manuals: Even more car manuals for everyone
Home >> Dodge and Ram >> 2015 >> Durango SXT, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 178 (5.7L - DTCS P063A To P2167) >> DTC Troubleshooting >> P0645-A/C Control Circuit/Open >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
A/C CLUTCH RELAY CONTROL CIRCUIT OPEN/HIGH RESISTANCE
A/C CLUTCH RELAY CONTROL CIRCUIT SHORTED TO GROUND
A/C CLUTCH RELAY
POWER DISTRIBUTION SENSOR (PDC)
POWERTRAIN CONTROL MODULE (PCM)

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