We Service and Repair Most GMC Cars and Trucks

2016 GMC Sierra 1500


GMC Sierra 1500

Service Date
Services Performed
  • pulled codes u0403, p0652, and c0398 p0652 is for low voltage on the 5v reference line. tested all powers and grounds all check out good. indicating internal high resistance due to failing motor. c0398 is for invalid range actuator position. there is a re flash tsb due to this concern. recommended replacing shift motor and re flashing system
  • TRANSFER CASE ENCODER MOTOR – Remove & Replace – 4WD,T/Case Mfr CD 3023-4/NQH Actuator Assembly
  • Programming Fee
  • Reprogram Fee
James U. gave our service a 5 star review on 1/6/2023
2016 GMC Sierra 1500 2023-01-17T22:58:27+00:00