NO.8 NO 2ND AND 5TH GEARS (MANUAL 2ND IS OK) [5R55S]

id0503c1814500

8

No 2nd and 5th gears (Manual 2nd is OK)

DESCRIPTION

•  Vehicle dose not shift to 2nd or 5th gear.

POSSIBLE CAUSE

•  Pressure control solenoid B malfunction

•  Pressure control solenoid C malfunction

•  TCM malfunction

•  Main control malfunction

Note

•  Before following the troubleshooting steps, make sure that the Automatic Transmission On-Board Diagnostic and Automatic Transmission Basic Inspection are conducted.
(See BASIC INSPECTION [5R55S].)

Diagnostic procedure

STEP	INSPECTION		ACTION
1	Verify that Manual 2nd is present and functions correctly. Is manual 2nd operating correctly?	Yes	Go to the next step.
1		No	Go to symptom troubleshooting NO.8 “ABNORMAL SHIFTING”.
2	Inspect the following solenoids. • Pressure control solenoid B • Pressure control solenoid C (See SOLENOID VALVE INSPECTION [5R55S].) Are they normal?	Yes	Clean and inspect main control, if parts are damaged replace main control. If the problem remains, overhaul the transmission and repair or replace any malfunction parts.
2		No	Repair or replace any malfunction parts.
3	• Verify test results. ― If normal, return to the diagnostic index to service any additional symptoms. ― If the malfunction remains, inspect the related Service Information and perform repair or diagnosis. • If the vehicle repaired, the troubleshooting is completed. • If the vehicle the not repaired or additional diagnostic information is not available, replace the TCM.

8	No 2nd and 5th gears (Manual 2nd is OK)
DESCRIPTION	• Vehicle dose not shift to 2nd or 5th gear.
POSSIBLE CAUSE	• Pressure control solenoid B malfunction • Pressure control solenoid C malfunction • TCM malfunction • Main control malfunction Note • Before following the troubleshooting steps, make sure that the Automatic Transmission On-Board Diagnostic and Automatic Transmission Basic Inspection are conducted. (See BASIC INSPECTION [5R55S].)