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P0730 INCORRECT GEAR RATIO TM-263 < DTC/CIRCUIT DIAGNOSIS > [7AT: RE7R01B (VK50VE)] C E F G H I J K L M A B TM N O P P0730 INCORRECT GEAR RATIO Description INFOID:0000000005250245 • TCM detects a high-rpm state of the under drive sun gear. DTC Logic INFOID:0000000005250246 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: • “ ” must be performed before starting “DTC CONFIRMATION PROCE- DURE”. • Never perform “DTC CONFIRMATION PROCEDURE” before completing the repair, which may cause secondary malfunction. • Always drive vehicle at a safe speed. 1. PRECONDITIONING If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always turn ignition switch OFF and >> GO TO 2. 2. CHECK DTC DETECTION With CONSULT-III 1. Start the engine. 2. Select “Self Diagnostic Results” in “ENGINE”. 3. Drive vehicle under the similar conditions to (1st trip) Freeze Frame Data for 10 minutes. Refer to the With GST Follow the procedure “With CONSULT-III”. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000005250247 1. CHECK INTERMITTENT INCIDENT GI-36, "Intermittent Incident" . Is the inspection result normal? YES >> Replace A/T assembly. Refer to NO >> Repair or replace damaged parts. DTC Trouble diagnosis name DTC is detected if... Possible cause P0730 Incorrect Gear Ratio The revolution of under drive • 2346 brake solenoid valve ENGINE SPEED Same value as the Freeze Frame Data. VEHICLE SPEED Same value as the Freeze Frame Data. B/FUEL SCHDL Same value as the Freeze Frame Data. |