P1702 Transmission Control Module RAM

P1702 Transmission Control Module RAM

Possible causes
– Faulty Transmission Control Module (TCM)
– Transmission Control Module (TCM) harness is open or shorted
– Transmission Control Module (TCM) circuit poor electrical connection
Tech description
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1702 Description

The Transmission Control Module (TCM) consists of a microcomputer and connectors for signal input and output and for power supply. The TCM controls the A/T.