DTC B3718 Hummer

Idle Control System Circuit Low

Idle Control System Circuit Low

Description

Control module detected open or short circuit in idle air control solenoid valve. Period of idle air control solenoid valve is 4 milliseconds and it is too short. Judge OK NG in accordance with the number of change of OFF to ON signal.

Cause and Solution

Check any other DTC on displayCheck idle air control valveCheck control module

Video Guide

Duration: PT3M49S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: B3718
  • Brand: Hummer
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