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 DIAGNOSISACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSSELF-DIAGNOSTIC SYSTEMCRUISE CONTROL DIAGNOSTIC SYSTEM CHECK
2001 Chevrolet Cavalier LS, 2.4 T
Cruise Control Diagnostic System Check
2001 Chevrolet Cavalier LS, 2.4 TSECTION Cruise Control Diagnostic System Check
- Connect scan tool to Data Link Connector (DLC). DLC is located on lower left side of instrument panel, near steering column. If scan tool powers up, go to next step. If scan tool does not power up, perform appropriate test procedure. See BODY CONTROL MODULES article. For 2002, see BODY CONTROL MODULES article.
- Turn ignition switch to RUN position. Attempt to establish communication with Powertrain Control Module (PCM). If scan tool communicates with PCM, go to next step. If scan tool does not communicate with PCM, perform appropriate test procedure. See BODY CONTROL MODULES article. For 2002, see BODY CONTROL MODULES article.
- Using scan tool, select DISPLAY DTCs function for PCM. If any DTCs beginning with "P" are retrieved, see DIAGNOSTIC TROUBLE CODE DEFINITIONS under DIAGNOSTIC TESTS. If no DTCs beginning with "P" are retrieved, diagnose and repair concern by symptom. See SYMPTOM INDEX under SYSTEM TESTS.
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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.