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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (2.4L - DTCS P000A To P0441) >> Diagnosis And Testing >> P0117-Engine Coolant Temperature Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(K2) ECT 1 SIGNAL CIRCUIT SHORTED TO GROUND
(K2) ECT 1 SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND CIRCUIT
(K2) ECT 1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
ENGINE COOLANT TEMPERATURE (ECT) SENSOR 1
POWERTRAIN CONTROL MODULE (PCM)

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