I have a 2003 Tahoe 4x4 Z71 with 107,000 on it. The "right rear door ajar" message was on so I performed a thorough electronic diagnostic workup on the circuitry external to the BCM. Everything checked out normal including the switch at the door. I knew my BCM was out so I took my car to a...
MY 2003 TAHOE Z71 CONSTANTLY FLASHES THE "RIGHT REAR DOOR AJAR" MESSAGE EVEN WHEN THE DOOR IS CLOSED. I DISASSEMBLED THE DOOR PANEL AND REMOVED THE DOOR LOCK ACTUATOR (SEE DIAGRAM). IT HAS A 2-PIN CONNECTOR, AND A 4-PIN CONNECTOR THAT CONNECTS TO A HARNESS WITH ONLY 2 PINS. THE WIRING IS...
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