Chevrolet Trax: DTC U0300-U0336: See control module u code list
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
Refer to Control Module U Code 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 device may set the appropriate communication DTCs. 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)
- Control Module References
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 Reference
Control Module References for scan tool information
Circuit/System Verification
- Ignition ON.
- Verify DTC U0300-U0336 is not set.
If DTC U0300-U0336 is set
- Program the device specified by the DTC descriptor.
- Verify the DTC does not set.
- If the DTC sets, replace the device specified by the DTC descriptor.
- If the DTC does not set
- All OK.
- If DTC U0300-U0336 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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Transmission replacement
Removal Procedure
Remove the battery tray. Refer to Battery Tray Replacement .
Remove the front bumper fascia opening upper cover. Refer to Front
Bumper Fascia Opening Upper
Cover Replacement .
Without draining the coolant or removing the hoses, remove and position
aside the radiator surge
Turn and Lane-Change Signals
Move the lever all the way up or
down to signal a turn.
An arrow on the instrument cluster
will flash in the direction of the turn
or lane change.
Raise or lower the lever until the
arrow starts to flash to signal a lane
change. The turn signal flashes
three times.
The lever returns to its star
