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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> DRIVEABILITY - Diesel - Diagnostic Tests >> P0645-A/C Clutch Relay Circuit Open Circuit; P0645-A/C Clutch Relay Circuit Short To Ground >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION

FUSED ASD RELAY OUTPUT CIRCUIT OPEN

A/C CLUTCH RELAY

A/C CLUTCH RELAY CONTROL CKT OPEN

A/C CLUTCH RELAY CONTROL CIRCUIT SHORT TO GROUND

ECM