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Home >> Kia >> 2023 >> Telluride EX X-Line >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 4WD Control System Diagnosis >> DTC U0101-87: Lost Communication With TCU >> Wiring Inspection >> Module circuit Inspection

Module circuit Inspection

Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
TCM connector 67, 68 (Memory power) Chassis ground - Approx. 12V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
TCM connector 17 (ON/START Input) Chassis ground - Approx. 12V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
TCM connector 71, 73, 74 (ground) Chassis ground - Approx. below 1Ω

Good 

No Good