LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1312 (6.7L Diesel - DTCS P0008 To P0336 - 2500 Hd & 3500 Hd) >> DTC Troubleshooting >> P0128-Thermostat Rationality >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
COOLANT LEVEL
COOLANT TEMPERATURE SENSOR
THERMOSTAT

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L  . 

scientia non olet · About LEMON Manuals