Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2010AVEO LT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 60 (DATA COMMUNICATIONS SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2010 Chevrolet Aveo LT, 4D Hatchback, Standard
Diagnostic Code Index
2010 Chevrolet Aveo LT, 4D Hatchback, StandardSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2011 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | B1000: Electronic Control Unit (ECU) Performance |
| DTC C0550 | C0550 XX: Electronic Control Unit |
| DTC U0001 | U0001 00: High Speed CAN Communication Bus |
| DTC U0073 | U0073: Control Module Communication Bus Off |
| DTC U0100-U02FF | Various Modules. See Diagnostic Fault Information under testing for this code. |
| DTC U0400-U05FF | Control Module Errors. To determine fault, see Control Module U Code List . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.