Possible causes
– Low transmission fluid level
– Dirty transmission fluid
– Faulty Overdrive Solenoid Valve
– Overdrive Solenoid Valve harness or connectors
– Overdrive Solenoid Valve circuit is open or shorted
– Dirty transmission fluid
– Faulty Overdrive Solenoid Valve
– Overdrive Solenoid Valve harness or connectors
– Overdrive Solenoid Valve circuit is open or shorted
When is the code detected?
The P0765 code is detected when the ECM detects an improper voltage drop when it tries to operate the solenoid valve.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift gears
– Transmission will not shift gears
P0765 HYUNDAI Description
Overdrive solenoid valve is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.
HYUNDAI Technical Service Bulletins for P0765 code
2007 HYUNDAI ELANTRA ENGINE AND ENGINE COOLING:ENGINE
2007 HYUNDAI ELANTRA POWER TRAIN:AUTOMATIC TRANSMISSION
2009 HYUNDAI ELANTRA TOURING ENGINE AND ENGINE COOLING:ENGINE
2009 HYUNDAI ELANTRA TOURING POWER TRAIN:AUTOMATIC TRANSMISSION
1999 HYUNDAI SONATA ENGINE AND ENGINE COOLING:ENGINE
2001 HYUNDAI SANTA FE ENGINE AND ENGINE COOLING:ENGINE
2001 HYUNDAI XG ENGINE AND ENGINE COOLING:ENGINE
2003 HYUNDAI TIBURON ENGINE AND ENGINE COOLING:ENGINE
2005 HYUNDAI TUCSON ENGINE AND ENGINE COOLING:ENGINE
2006 HYUNDAI AZERA ENGINE AND ENGINE COOLING:ENGINE