Hyundai Sonata LF Quiz
DCT (Dual Clutch Transmission) System

Troubleshooting

In this manual: DCT (Dual Clutch Transmission) System
General Information — 9Engine Mechanical System — 90Engine Electrical System — 58Emission Control System — 24Engine Control System/Fuel System — 114Drive Shaft and Axle — 15Suspension System — 35Steering — 19Restraints — 50Brake System — 54Body (Interior and Exterior) — 213Body Electrical System — 241Heating, Ventilation, and Air Conditioning — 56DCT (Dual Clutch Transmission) System — 52
~2min read

Troubleshooting

Symptom of Malfunction Probable Cause Remedy
"E" Warning Lamp Illuminated
(Driving possible in 1st/R gear only)		 DCT learning not performed Perform the DCT manual learning procedure.
Unable to drive in odd gears Clutch actuator (clutch motor 1 or position sensor 1 malfunction) Replace the clutch actuator assembly.
Geared Drive (Gear Shift Motor 1 or Position Sensor 1 Failure, Select Solenoid 1 or Position Sensor 1 Failure) Replace the gear actuator assembly.
Input speed sensor 1 malfunction Replace the input speed sensor.
Faulty Gears (2, 4, 6) Replace the gear.
Faulty clutch 1 Replace the dual clutch assembly.
Faulty Bearing 1 Replace the release bearing assembly
Unable to drive in even gears Clutch Actuator (Clutch Motor 2 or Position Sensor 2 Failure) Replace the clutch actuator assembly.
Geared Drive (Gear Shift Motor 2 or Position Sensor 2 Failure, Select Solenoid 2 or Position Sensor 2 Failure) Replace the gear actuator assembly.
Input speed sensor 2 malfunction Replace the input speed sensor.
Faulty Gears (1, 3, 5, 7, R) Replace the gear.
Faulty clutch 2 Replace the dual clutch assembly.
Faulty Bearing 1 Replace the release bearing assembly
Unable to control TCM malfunction Replace the TCM.
Simultaneous odd/even system malfunction Replace the dual clutch assembly or the gear.
Simultaneous malfunction of lock switch / shift lever sensor Replace the inhibitor switch.
Unable to shift manually Inhibitor switch malfunction Replace the inhibitor switch.
Shift lever sensor malfunction Replace the shift lever.
Manual shift mode malfunction Replace the manual shift selector housing
Noise Oil level (low) Refill the transmission with oil after inspecting parts (Oil Seal, Drain Plug, Filler Plug).
Oil (incorrect) Replace the oil.
Synchronizer ring (worn or damaged) Replace the synchronizer ring.
Gear (worn or damaged) Replace the gear.
Bearing (worn or damaged) Replace the bearing.
Oil leak Oil level (high) Check the oil level.
Gasket (damaged) Replace the gasket.
Oil seal (worn or damaged) Replace the oil seal.
Hard shifting or unable to shift Oil (incorrect) Replace the oil.
Shift fork (worn) Replace the shift fork.
Synchronizer ring (worn or damaged) Replace the synchronizer ring.
Gear (worn or damaged) Replace the gear.
Hub sleeve (worn or damaged) Replace the hub sleeve.

Test yourself

A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.