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 54 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B2462 (COMMUNICATION INTERFACE MODULE)CIRCUIT/SYSTEM TESTING
2010 Chevrolet Aveo LT, 4D Hatchback, Standard
Circuit/System Testing
2010 Chevrolet Aveo LT, 4D Hatchback, StandardSECTION Circuit/System Testing
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.
- Ignition OFF, disconnect the GPS and cell coax cable connector at the vehicle communication interface module.
- Using the EL-49903-5 adapter with EL-49903-4 coax cable, connect the EL-49903 to the vehicle communication interface module, place the test antenna on the roof of the vehicle. See Special Tools .
- Ignition ON, wait 5 minutes, then contact the OnStar call center consultant by pressing the blue OnStar button. A call center consultant should answer the call, ask the consultant to verify the vehicle location to confirm the GPS system is functioning.
- If the OnStar GPS does not function, replace the vehicle communication interface module.
- Ignition OFF, perform the coax cable test on the coax cable, refer to Component Testing. The coax cable should pass the test.
- If the coax cable does not pass the test, replace the coax cable.
- If all circuits test normal, replace the cellular and navigation antenna.
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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.