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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 730 (6.4L - DTCS P0533 To P1593 - 2500 Hd, 3500 Hd) >> Diagnosis And Testing >> P0598-Thermostat Heater Control Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
ELECTRIC HEATED THERMOSTAT CONTROL CIRCUIT SHORTED TO GROUND
ELECTRIC HEATED THERMOSTAT CONTROL CIRCUIT SHORTED TO THE HEATED THERMOSTAT GROUND CIRCUIT
ELECTRIC HEATED THERMOSTAT
POWERTRAIN CONTROL MODULE

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

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