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:
Air conditioning compressor oil balancing
Draining Procedure
NOTE: Drain and measure as much of the refrigerant oil as possible
from the rear
head ports of the removed air conditioning compressor.
Before draining oil, position the compressor vertically, (clutch facing
upwards) and let the air
conditioning compressor sit for 1 minute.
Rear Safety Belt Comfort Guides
Rear safety belt comfort guides may
provide added safety belt comfort
for older children who have
outgrown booster seats and for
some adults. When installed on a
shoulder belt, the comfort guide
positions the shoulder belt away
from the neck and head.
Safety belt comfort guides are
available throug
