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.
2000 Saturn LS1 L4-2.2L VIN FFACTORY OEM SERVICE PROCEDURE
Control Module: Service and Repair
Removal
1. Raise hood.
2. Lift up right end of hood seal.
3. Lift up right side of cowl cover.
4. Remove nuts from transaxle control module cover.
5. Lift cover off of studs.
6. Depress lock and rotate connector lever down.
7. Disconnect transaxle control module electrical connector.
8. Depress lock tab holding transaxle control module in carrier.
9. Lift transaxle control module straight up to remove from carrier.
Installation
1. Insert transaxle control module into carrier.
2. Push straight down until module bottoms in carrier and lock tab clicks.
3. Connect electrical connector to module.
4. Rotate connector lock up past lock tab to seat connector.
5. Install transaxle control module cover over studs.
NOTICE: If transaxle control module cover nuts are over-tightened, damage to mounting studs may occur.
6. Install and tighten transaxle control module cover nuts.
Torque: 3 Nm (27 inch lbs.)
7. Install right side of cowl cover.
8. Install right end of hood seal.
IMPORTANT: The transaxle control module must be reprogrammed when a service replacement module is installed or a DTC 602 will result. (The transaxle control replacement module will have a DTC 602 in it from the factory and can only be cleared by reprogramming it with the correct calibration.) Programming and Relearning
1. Raise hood.
2. Lift up right end of hood seal.
3. Lift up right side of cowl cover.
4. Remove nuts from transaxle control module cover.
5. Lift cover off of studs.
6. Depress lock and rotate connector lever down.
7. Disconnect transaxle control module electrical connector.
8. Depress lock tab holding transaxle control module in carrier.
9. Lift transaxle control module straight up to remove from carrier.
Installation
1. Insert transaxle control module into carrier.
2. Push straight down until module bottoms in carrier and lock tab clicks.
3. Connect electrical connector to module.
4. Rotate connector lock up past lock tab to seat connector.
5. Install transaxle control module cover over studs.
NOTICE: If transaxle control module cover nuts are over-tightened, damage to mounting studs may occur.
6. Install and tighten transaxle control module cover nuts.
Torque: 3 Nm (27 inch lbs.)
7. Install right side of cowl cover.
8. Install right end of hood seal.
IMPORTANT: The transaxle control module must be reprogrammed when a service replacement module is installed or a DTC 602 will result. (The transaxle control replacement module will have a DTC 602 in it from the factory and can only be cleared by reprogramming it with the correct calibration.) Programming and Relearning
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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