P0729 Mazda Automatic Transmission 6th Gear Incorrect Ratio
Possible causes
– Low transmission fluid level
– Shift solenoid mechanical fault
– Hydraulic circuit fault
– Transmission failure
– Shift solenoid mechanical fault
– Hydraulic circuit fault
– Transmission failure
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Transmission will not shift into 6th gear
– Transmission will not shift into 6th gear
P0729 Mazda Description
This malfunction is detected when the A/T does not shift into 6GR position as instructed by TCM. This is not only caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such as control valve sticking, improper solenoid valve operation, etc.
Mazda Vehicle:Mazda B-Series, Mazda CX-7,Mazda CX-9,Mazda MAZDA2,Mazda MAZDA3,Mazda MAZDA5,Mazda MAZDA6,Mazda Miata MX-5,Mazda RX-8,Mazda Tribute,Mazda RX-8,Mazda MX-5,Mazda CX-9,Mazda Atenza,Mazda Axela,Mazda Tribute,