Possible causes

– Low transmission fluid level
– Dirty transmission fluid
– Faulty shift solenoid ‘E’ valve
– Shift solenoid ‘E’ valve harness is open or shorted
– Shift solenoid ‘E’ valve circuit poor electrical connection

When is the code detected?

The P0773 code is detected when the gear required by the ECM does not match the actual gear when vehicle is driven.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift gears.

P0773 Description

Shift solenoid valve ‘E’ 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.

P0773 Information for specific makes

P0773 ACURA
P0773 AUDI
P0773 HONDA
P0773 KIA
P0773 LEXUS
P0773 MAZDA
P0773 MITSUBISHI
P0773 SUBARU
P0773 SUZUKI
P0773 TOYOTA
P0773 VOLKSWAGEN