Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 CADILLAC Description The Transmission Control Module (TCM) power up the temperature
Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 BUICK Description The Transmission Control Module (TCM) power up the temperature
Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 CHEVROLET Description The Transmission Control Module (TCM) power up the temperature
Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 SATURN Description The Transmission Control Module (TCM) power up the temperature
Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 PONTIAC Description The Transmission Control Module (TCM) power up the temperature
Possible causes – Reprogram TCM and recheck code– Replace Transmission Control Module (TCM) Sensor/body assembly one piece Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 GMC Description The Transmission Control Module (TCM) power up the temperature
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1684 Information for specific makes P1684 ACURAP1684 CHEVROLETP1684 DODGEP1684 GMCP1684 HONDAP1684 BUICKP1684 CADILLACP1684 PONTIACP1684 SATURN
HONDA Technical Service Bulletins for P1684 code 2001 HONDA ODYSSEY ENGINE AND ENGINE COOLING 2002 HONDA ODYSSEY ENGINE AND ENGINE COOLING 2003 HONDA ODYSSEY ENGINE AND ENGINE COOLING
P1684 ACURA – Throttle Valve Return Spring Performance Problem
P1684 DODGE – Wastegate Solenoid Ctrl Circ