Shift solenoid A

Refer to DTC 53 .

Shift Solenoid B

Refer to DTC 58 .

Vehicle speed sensor

Refer to DTC 22 .

Shift switch

Refer to DTC 55 .

Transmission control module (TCM)

Refer to Diagnostic System Check - Automatic Transmission

Line pressure out of range

Operation of the control valve spool

Line pressure OK

Operation of the 2-4 brake band