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.
Control Module: Service and Repair
1999 Chrysler 300M V6-3.5L VIN GSECTION Service and Repair
REMOVAL
1. Remove speed control servo (three fasteners).
2. Remove windshield washer reservoir fill tube fastener.
3. Remove one nut and screw holding transmission control module bracket to vehicle.
4. Lift control module and bracket to gain access to 60-way connector.
5. Loosen 60-way connector retaining screw, located in the center of the 60 way connector. Then disconnect the 60-way connector on transmission control module.
6. Remove transmission control module mounting screws and lift module from vehicle.
INSTALLATION
1. Install transmission control module and tighten mounting screws.
2. Install 60 way connector. Tighten 60-way retaining screw to 4 Nm (35 inch lbs.).
3. Install one nut and screw holding transmission control module bracket to vehicle.
4. Install windshield washer reservoir fill tube fastener.
5. Install speed control servo (three fasteners).
1. Remove speed control servo (three fasteners).
2. Remove windshield washer reservoir fill tube fastener.
3. Remove one nut and screw holding transmission control module bracket to vehicle.
4. Lift control module and bracket to gain access to 60-way connector.
5. Loosen 60-way connector retaining screw, located in the center of the 60 way connector. Then disconnect the 60-way connector on transmission control module.
6. Remove transmission control module mounting screws and lift module from vehicle.
INSTALLATION
1. Install transmission control module and tighten mounting screws.
2. Install 60 way connector. Tighten 60-way retaining screw to 4 Nm (35 inch lbs.).
3. Install one nut and screw holding transmission control module bracket to vehicle.
4. Install windshield washer reservoir fill tube fastener.
5. Install speed control servo (three fasteners).
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.