Shift solenoid A

Refer to Diagnostic System Check - Vehicle.

Shift solenoid B

Refer to Diagnostic System Check - Vehicle.

ATF temperature sensor

Refer to Diagnostic System Check - Vehicle.

O/D switch

Faulty switch

Shift switch

Refer to Diagnostic System Check - Vehicle.

Transmission control module (TCM)

Refer to Diagnostic System Check - Vehicle.

Line pressure out of range

Operation of the control valve spool.