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)
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. |
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 |
