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Test Description

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

  1. 15. A DMM must be used in this step. A test lamp may give incorrect results. Testing for B+ supply from the BCM.
  2. 16. An illuminated test lamp at step 16 reveals a short to voltage in the serial data circuit.
Fig 1: Keyless Entry System Inoperative Diagnostic Table (1 Of 3)
G01566578Courtesy of GENERAL MOTORS CORP.
Fig 2: Keyless Entry System Inoperative Diagnostic Table (2 Of 3)
G01566579Courtesy of GENERAL MOTORS CORP.
Fig 3: Keyless Entry System Inoperative Diagnostic Table (3 Of 3)
G01566580Courtesy of GENERAL MOTORS CORP.