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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (DTCS P2433 To U1110) >> P2602-Electric Coolant Water Pump Relay Control Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
INTERMITTENT DTC
(A937) FUSED B(+) CIRCUIT OPEN OR HIGH RESISTANCE
(K547) TURBO COOLANT PUMP CONTROL CIRCUIT SHORTED TO GROUND
(K547) TURBO COOLANT PUMP CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
TURBO COOLANT PUMP RELAY
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure