DTC P178D-07: Transmission Friction Element D or E - Mechanical failures: Action

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NOTE: After installing a new transmission control module, perform routines - Configure New Module (Without Transmission Replacement), Transmission Control Module Adaption.

Refer to the relevant section of the workshop manual and check the automatic transmission fluid level and condition. Rectify any fluid leaks and top up as necessary. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and perform a road test using all gears. If the fault persists, install a new automatic transmission