Chevrolet Trax: DTC C056E: Electronic control unit software
Diagnostic Instructions
- Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.
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
- A current DTC clears when the malfunction is no longer present.
- A history DTC clears when the device ignition cycle counter reaches the reset threshold, without a repeat of the malfunction.
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
- Circuit Testing
- Connector Repairs
- Testing for Intermittent Conditions and Poor Connections
- Wiring Repairs
Scan Tool References
Control Module References for scan tool information
Circuit/System Verification
- Ignition ON.
- Verify DTC C056E is not set.
If DTC C056E is set
- Program the device that set the DTC.
- Verify the DTC does not set.
- If the DTC sets, replace the device that set the DTC.
- If the DTC does not set
- All OK.
If DTC C056E is not set
- All OK
Repair Instructions
Perform the Diagnostic Repair Verification after completing the repair.
Control Module References for device replacement, programming and setup
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Rear wheel drive module differential clutch control module replacement
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
NOTE: The propeller shaft does not have to be removed from this
vehicle to
replace rear differential m
Rear axle shaft replacement
Special Tools
J-2619-01 Slide Hammer
J-45019 Flange Remover
For equivalent regional tools, refer to Special Tools .
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking
SEE MORE:
Wheel stud replacement
Special Tools
CH-43631 Ball Joint Separator
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
.
Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and
Installation .
Remove the fro
Cooling system description and operation
Engine Coolant Indicators
The instrument panel cluster (IPC) shows the engine temperature on the
temperature gauge. The value is
sent on the data communication line from engine control module (ECM). When
the coolant temperature is
more than 128ºC (262ºF) IPC receives a discrete input from
