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 MANUALSCHEVROLET2001CAVALIER LS, 2.4 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 197 (CELLULAR COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESONSTAR CALL CENTER REMOTE FUNCTION REQUESTS INOPERATIVEDIAGNOSTIC AIDS
2001 Chevrolet Cavalier LS, 2.4 T
Diagnostic Aids
2001 Chevrolet Cavalier LS, 2.4 TSECTION Diagnostic Aids
WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
The customer concern may have been due to a lack of cellular service in a given area or a failure in the National Cellular Network infrastructure that has since been corrected.
OnStar Call Center Remote Function Requests Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: OnStar Schematics Connector End View Reference: Cellular Communication Connector End Views |
|||
| 1 | Did you perform the Cellular Communication Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Cellular Communication . |
| 2 | Attempt to honk the horn, operate the lights and lock or unlock the doors on the vehicle. Does the applicable system operate properly? |
Go to Step 3 | Go to
|
| 3 |
IMPORTANT:
It is necessary to inform the OnStar® Call Center advisor that this call is for vehicle diagnostic purposes.
|
Go to Diagnostic Aids | Use the scan tool to access the STID and ESN and contact the General Motors Technical Assistance Center |
RENDER: 1.0x
NO RELATED
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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.