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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 603 (3.0L Diesel - DTCS P2455-00 To U1489-00 - 1500) >> Diagnosis And Testing >> P26A3-00-Engine Coolant Bypass Valve 1 Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
FUSED IGNITION RUN/START CIRCUIT OPEN OR SHORTED TO GROUND
COOLANT THREE WAY VALVE GROUND CIRCUIT OPEN
COOLANT THREE WAY VALVE STUCK
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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