FixVault

Test Description

NOTE: Test numbers refer to numbers on diagnostic chart. Use only 10-megohm (minimum) DVOM for all voltage and resistance tests.
  1. Confirms if there is an open in circuit.
  2. Determines if brake switch signal is being received by EBCM.
  3. Isolates open circuit to either brake switch or brakelight circuit.
  4. Isolates open circuit to either brake switch input circuit or EBCM.
Fig 1: Code 95 Schematic
G95J15536Courtesy of GENERAL MOTORS CORP.
Fig 2: Code 95 Flow Chart
G95I15709Courtesy of GENERAL MOTORS CORP.