Kia Carens: Automatic Transaxle System / Troubleshooting

Kia Carens RP (2013-2018) Service Manual / Automatic Transaxle System / Troubleshooting

Troubleshooting

Limp Home Mode

Features a fail-safe function that prevents dangerous situations in the event of a transaxle failure. The vehicle will be driven in limp home mode if the transaxle malfunctions. In this mode, the transaxle operates at a minimal functionality level (fixed shifting, limited shifting, reverse, neutral), making it possible for the vehicle to reach a service center.

Limp Home Mode: Limited shifting

Mechanical limp home mode: Fixed shifting (failure as mechanical parts, solenoid valves, TCM, CAN communication)

Troubleshooting

Trouble symptom	Suspect area	Remedy
Shifting delay, Shifting shock, Poor acceleration	Damaged clutch / brake	Replace the brake or clutch.
	Faulty hydraulic control	Inspect the solenoid valve.
	Faulty hydraulic supply	Inspect the fluid level.
		Inspect the fluid cleanliness
		Replace the oil pump
	Not performed TCM learning	Perform the TCM adaptive value learning.
Mechanical limp home mode (locked into 4th, manual shifting disabled)	Faulty Solenoid valve	Inspect the solenoid valve.
	Faulty Solenoid valve	Replace the valve body.
	Faulty TCM	Replace the TCM.
	Faulty CAN communication	Inspect the CAN communication line.
Limp home mode (locked into 4th, manual shifting 2nd-4th enabled)	Faulty input & output speed sensor	Replace the input & output speed sensor.
Limp home mode (1st-2nd shifting disabled, 3rd-6th shifting enabled)	Faulty inhibitor switch	Replace the inhibitor switch.
Manual shifting disabled	Faulty TCM	Replace the TCM.
	Faulty connector connection	Check the connection of manual mode connector
	Faulty manual mode switch	Replace the manual mode switch housing

Special service tools

Special Service Tools Tool Name / Number Illustration Description Engine support fixture (bar) 09200-3N000 ...

Automatic Transaxle Control System

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