P1702 GMC 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
– 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 GMC 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.
GMC Vehicle:GMC Acadia,GMC Canyon,GMC Envoy,GMC Savana 1500,GMC Savana 2500,GMC Savana 3500,GMC Sierra 1500,GMC Sierra 2500 HD,GMC Sierra 3500 HD,GMC Terrain,GMC Yukon,GMC Yukon XL 1500,GMC Yukon XL 2500,