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 MANUALSSATURN2000SL2 AUTOMATIC, MP6REPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSSHIFT INTERLOCK SYSTEMSTROUBLE SHOOTINGDIAGNOSTIC STARTING POINT
2000 Saturn SL2 Automatic, MP6
Diagnostic Starting Point
2000 Saturn SL2 Automatic, MP6SECTION Diagnostic Starting Point
Begin system diagnosis by checking for DTCs. See DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM. The diagnostic system check will provide the following information:
- Identification of the control modules which command the system.
- Ability of the control modules to communicate through the serial data circuit.
- Identification of any stored DTCs and their status.
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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.