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Home › Volvo › 1998 › V70 Base, Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - Tests W/Codes › Diagnostic Tests › DTC P1621/EFI 666: DTC In Transmission Control Module (TCM) › Fault Symptoms

Fault Symptoms

Varies depending on the DTC stored in the Automatic Transmission Control Module (TCM).

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