Possible causes
– Low transmission fluid level
– Dirty transmission fluid
– Faulty 4C shift solenoid valve
– 4C Shift solenoid valve harness is open or shorted
– 4C Shift solenoid valve circuit poor electrical connection
– Dirty transmission fluid
– Faulty 4C shift solenoid valve
– 4C Shift solenoid valve harness is open or shorted
– 4C Shift solenoid valve circuit poor electrical connection
When is the obd code mean?
The P0770 code is detected when the TCM has detected an electrical fault in the 4C Shift Solenoid-This is an electrical fault, not a transmission mechanical fault
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift gears.
– Transmission will not shift gears.
P0770 MITSUBISHI OBD Code Description
4C Shift 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.