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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (2.4L Engine - DTCS P0016 To P0125, Diagnostic Code Index, Pre-Diagnostic Troubleshooting Procedure & Intermittent Condition) >> Diagnosis And Testing >> P0117-Engine Coolant Temperature Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(K2) ECT SIGNAL CIRCUIT SHORTED TO GROUND
(K2) ECT SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND
ECT SENSOR
PCM

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

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