Diagnostic Instructions
DTC Descriptor
DTC C056E
Electronic Control Unit Software
For symptom byte information, refer to Symptom Byte List .
Circuit/System Description
Some devices must be configured with specific software, serial numbers, vehicle options, or other information.
If a device was not properly configured after installation that module may set DTC C056E. The symptom byte information is for engineering reference only. No external circuit diagnosis is involved.
Conditions for Running the DTC
Battery voltage is between 9-16 V and data link communications operate normally.
Conditions for Setting the DTC
The device is not configured properly.
Conditions for Clearing the DTC
Reference Information
Schematic Reference
Data Communication Schematics (Encore) , Data Communication Schematics (Trax)
Connector End View Reference
WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - ENCORE WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - INDEX - TRAX
Description and Operation
Data Link Communications Description and Operation
Electrical Information Reference
Scan Tool References
Control Module References for scan tool information
Circuit/System Verification
If DTC C056E is set
If DTC C056E is not set
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair.
Control Module References for device replacement, programming and setup
Rear wheel drive module differential clutch control module replacement
Rear axle shaft replacement
DTC P0601, P0603, P0604, OR P062F: Control module memory
DTC C0176: Control module temperature sensor high
temperature