DTC P0599 Chevrolet

Four Wheel Drive High Range (4HI) Indicator Circuit

Four Wheel Drive High Range (4HI) Indicator Circuit

Description

Ignition ON. System voltage 9-18 V. Instrument panel lights not dimmed. Daylight running lights MUST be commanded ON.

Cause and Solution

The TCCM monitors the voltage on the 4WD HI indicator control circuit.The TCCM detects 3.4 V or greater on the 4WD HI indicator control circuit when the 4WD HI indicator is commanded ON.The TCCM detects 1.6 V or less for 1.5 seconds on the 4WD HI indicator control circuit when the 4WD HI indicator is commanded OFF.

Video Guide

Duration: PT4M19S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P0599
  • Brand: Chevrolet
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