2010 Cadillac CTS Sedan AWD V6-3.6L Page 716
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Control Module References (See: Testing and Inspection/Programming and Relearning)for TCSCM replacement, setup, and programming
C0401
DTC C0401
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions)provides an overview of each diagnostic category.
DTC Descriptor
DTC C0401 01
- Transfer Case Oil Temperature Sensor Circuit Short to Battery
DTC P0401 06
- Transfer Case Oil Temperature Sensor Circuit Short to Ground or Open
Diagnostic Fault Information
Circuit/System Description
The temperature sensor is a variable resistor, as the temperature increases the resistance decreases and as the temperature decreases the resistance
increases.
Conditions for Running the DTC