LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2003 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Keyless Entry System >> Diagnostic Information and Procedures >> Keyless Entry System Inoperative >> Test Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test Description

The number below refers to the step number on the diagnostic table.

  1. A DMM must be used in this step. A test lamp may give incorrect results. Testing for B+ supply from the BCM.
  2. An illuminated test lamp at step 16 reveals a short to voltage in the serial data circuit.
    Fig 1: Keyless Entry System Inoperative (1 Of 3)
    G01476697Courtesy of GENERAL MOTORS CORP.
    Fig 2: Keyless Entry System Inoperative (2 Of 3)
    G01476698Courtesy of GENERAL MOTORS CORP.
    Fig 3: Keyless Entry System Inoperative (3 Of 3)
    G01476699Courtesy of GENERAL MOTORS CORP.
    Fig 4: Door Unlock Function Inoperative With Transmitter
    G01476700Courtesy of GENERAL MOTORS CORP.
    Fig 5: Door Lock Function Inoperative With Transmitter
    G01476701Courtesy of GENERAL MOTORS CORP.