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Home >> Hyundai >> 2016 >> Tucson Eco, FWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> Troubleshooting >> Communication With GDS Is Not Possible (Communication With ABS Only Is Not Possible) >> Inspection Procedures >> Check The Power Source Of ESC Control Module

Check The Power Source Of ESC Control Module

  1. Disconnect the connector from the ESC control module.
  2. Turn the ignition switch ON, measure the voltage between terminal 29 of the ESC control module harness side connector and body ground.

    Specification  : approximately B+

    Fig 1: Checking ESC Control Module Power Source
    G11644749Courtesy of HYUNDAI MOTOR AMERICA
  3. Is voltage within specification?

    YES 

    • Check for poor ground.

    NO 

    • Check the harness or connector between the fuse (10A) in the engine compartment junction block and the ESC control module. Remedy if necessary.
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