SOURCE: problemn 1. Gear locked in
1. Now automatic transmission is stucked in "limp home" mode.
2. Even gears are not locked, transmission works in degradation mode.
You must access the Transmission Control Module (TCM) using diagnostic equipment connected to the data link connector of vehicle, in order to pull out all Diagnostic Trouble Codes (DTC) memored. Then you will know if there are bad piece(s), and you will can replace bad piece(s) & repair damages. After that you will be able to erase all DTC from TCM memory, and reset TCM Electronic Control Unit.
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