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Home >> Hyundai >> 2017 >> Veloster Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Electronic Stability Control (ESC) System >> Troubleshooting >> Failure Diagnosis >> Communication with GDS is not possible (Communication with ABS only is not possible.) >> Check The Power Source Of ESC Control Module
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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: Measuring Voltage Between Terminal 29 Of ESC & Body Ground
    G12125664Courtesy 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. Repair if necessary.
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