FixVault

Power Door Lock Test 5A - Doors Fail To Lock From Any Switch

NOTE: Perform POWER DOOR LOCK TEST 1A  before proceeding with this test. For connector terminal identification, see CONNECTOR IDENTIFICATION in BODY CONTROL COMPUTER INTRODUCTION. Perform TEST VER-1A  after each repair.
CAUTION: Always turn ignition switch to OFF position prior to disconnecting or connecting any module connector.
  1. Using scan tool, actuate door locks. If door locks, LOCK, go to next step. If door locks do not LOCK, replace BCM.
  2. Using scan tool, read left front door ajar status and close left front door. If scan tool displays, LF DOOR: OPEN, replace BCM. If scan tool does not display, LF DOOR: OPEN, go to POWER DOOR LOCK TEST 2A  .