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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 ((Heating & Air Conditioning (ATC) - Electrical Diagnostics - 1500, 2500 & 3500)) >> Diagnosis and Testing >> B1034-Infrared Temperature Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(F921) FUSED IGNITION RUN CONTROL OUTPUT CIRCUIT OPEN
(C83) IR SENSOR SIGNAL CIRCUIT SHORT TO GROUND
(C83) IR SENSOR SIGNAL CIRCUIT OPEN
INFRARED SENSOR
A/C HEATER CONTROL

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

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