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.
1999 Saturn SC2 L4-1.9L DOHC VIN 7FACTORY OEM SERVICE PROCEDURE
Resetting Adaptive Parameters - MP6/MP7 Automatic Transmission
Because the PCM/TC has the ability to adapt to various transaxle conditions, it is necessary to reset the adaptive parameters after certain repairs have been performed. The adaptives can be reset using the Service Stall System (SSS) or using a Scan tool. The adaptives should only be reset after the following repairs have been made:
- Replacing a transaxle.
- Replacing a line pressure actuator.
- Transaxle overhaul when new clutch plates are installed.
- Replacing a valve body.
- Replacing the PCM for a transaxle related failure.
IMPORTANT: When replacing the PCM for an engine related problem the transaxle adaptives should be transferred from the old PCM to the new PCM.
After performing a repair, the vehicle must be driven to allow the adaptives to learn new shift times and pressures before returning the vehicle to a customer. Refer to Learn-In procedure.
- Replacing a transaxle.
- Replacing a line pressure actuator.
- Transaxle overhaul when new clutch plates are installed.
- Replacing a valve body.
- Replacing the PCM for a transaxle related failure.
IMPORTANT: When replacing the PCM for an engine related problem the transaxle adaptives should be transferred from the old PCM to the new PCM.
After performing a repair, the vehicle must be driven to allow the adaptives to learn new shift times and pressures before returning the vehicle to a customer. Refer to Learn-In procedure.
Factory Service Tools
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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.
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