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 Jaguar XJ8 BaseFACTORY OEM SERVICE PROCEDURE

Transmission Control Module (TCM): Removal

Remove the battery cover and disconnect battery ground cable.
Remove the trim panel from the engine compartment, passenger side.
1. Remove the left hand side enclosure panel.
2. If necessary, remove the center trim panel.
Fig 1: Removing & Installing Engine Compartment Trim Panel
Courtesy of JAGUAR CARS, INC.
Release the fixings and remove the cover from the ECM/TCM housing.

Fig 2: Removing & Installing ECM/TCM Housing Cover
Courtesy of JAGUAR CARS, INC.
Disconnect the TCM harness multiplug EM007.

Fig 3: Removing & Installing TCM Connector
Courtesy of JAGUAR CARS, INC.
Disconnect the TCM harness multiplug EM007.

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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