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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1191 (5.7L - DTCS P2320 To U1504 - 1500) >> DTC Troubleshooting >> P26A7-Engine Coolant Bypass Valve Position Sensor Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
COOLANT THREE WAY VALVE POSITION SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
COOLANT THREE WAY VALVE POSITION SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
COOLANT THREE WAY VALVE POSITION SIGNAL CIRCUIT SHORTED TO THE 5-VOLT SUPPLY CIRCUIT
SENSOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
COOLANT THREE WAY VALVE POSITION SENSOR
POWERTRAIN CONTROL MODULE (PCM)

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