P0702 Opel Transmission Control Module

Possible causes

– Faulty Transmission Control Module
– Transmission Control Module harness is open or shorted
– Transmission Control Module circuit poor electrical connection

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P0702 Opel Description

The code is triggered by the Engine Control Module (ECM) when there is a code stored in the Transmission Control Module (TCM)