Diagnostic Procedure

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TRANSAXLE OVERHEATS (GW6A-EL, GW6AX-EL) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	INSPECT SIGNAL PARTS FOR MALFUNCTION Inspect the value at the following PCM PIDs using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (VIN Y)] .) APP (APP sensor) BOO (Brake switch) ECT (ECT sensor) RPM (CKP sensor) Is there any malfunction?	Yes	Repair or replace any malfunctioning parts according to the inspection result.
1		No	Go to the next step.
2	INSPECT ATF LEVEL Inspect the ATF level. (See AUTOMATIC TRANSAXLE FLUID (ATF) INSPECTION .) Is there any malfunction?	Yes	Adjust the ATF level to the specification. (See AUTOMATIC TRANSAXLE FLUID (ATF) ADJUSTMENT .)
2		No	Go to the next step.
3	VISUALLY INSPECT OIL COOLER Visually inspect the oil cooler. Is there any malfunction?	Yes	Repair or replace any malfunctioning parts according to the inspection result. (See OIL COOLER REMOVAL/INSTALLATION [GW6A-EL, GW6AX-EL (VIN Y)] .)
3		No	Go to the next step.
4	VERIFY IF MALFUNCTION CAUSE IS CONTROL VALVE BODY Inspect the value at the following TCM PIDs using the M-MDS. (See ON-BOARD DIAGNOSTIC SYSTEM PID/DATA MONITOR INSPECTION [TCM (GW6A-EL, GW6AX-EL)] .) ECU_A ECU_B ECU_C GEAR_SEL LINEDES OP_SW1 OP_SW2 OP_SW3 OP_SW4 OSS SS1 SS2 SS3 SS4 SSLU SSLU_PRES SSP SSP_PRES TR TSS VSS Is there any malfunction?	Yes	Replace the control valve body. (See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
4		No	Symptom troubleshooting is completed.