1. Remove the rear seat cushion assembly.
2. Remove the rear seat back assembly.
3. Slightly remove the rear door weather-strip.
4. Remove the rear door scuff trim.
5. Remove the rear pillar trim.
6. Remove the rear seat belt lower anchor.
7. Remove the rear package tray trim.
8. Remove the high mounted stop lamp after disengaging the mounting clip.
9. Install a new LED lamp.
Hyundai Sonata LF 2014-2019 Service Manual: Gear Actuator Assembly Specifications
Specification
ItemConditionSpecificationResistance (line to line)Shift motor 1/2135.4 m? ± 10 %Select solenoid 1/20.7 m? ± 10 %Max. currentShift motor 1/245 ASelect solenoid 1/220 ASelect solenoid sensor outputPush4.0 ± 0.15 VPull1.0 ± 0.15 VOperation condition (°C)°F-40 ~ 257 °F (- 40 ~ ...
Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the ...