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.

2002 Mercury Villager BaseFACTORY OEM SERVICE PROCEDURE

Transmission Control Module (TCM): Removal

Disconnect the battery ground cable.
Disconnect the module electrical connectors.
1. Disconnect the smart entry control/timer (SEC) timer module connectors.
2. Disconnect the TCM connectors.
  
  Fig 1: Disconnecting TCM Connectors
  Courtesy of FORD MOTOR CO.
Remove the TCM bracket bolts.

Fig 2: Removing TCM Bracket Bolts
Courtesy of FORD MOTOR CO.
Remove the TCM/SEC Timer module assembly.
- Disconnect the harness clip.
  
  Fig 3: Disconnecting Harness Clip
  Courtesy of FORD MOTOR CO.
Remove the SEC timer module from the TCM.

Fig 4: Removing SEC Timer Module From TCM
Courtesy of FORD MOTOR CO.

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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