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Learn how to reset your vehicle's Body Control Module (BCM) to fix various electrical issues. Follow simple steps to restore factory settings and improve performance.
- What The BCM Does
- Common Trouble Signs
- How to Repair A Body Control Module
It’s a bit strange to think that something connects your vehicle’s door locks, windows, headlights and windshield wipers, but that’s exactly what the body control module does. In the old days the headlight switch was directly connected to the headlight bulbs themselves via dedicated wiring circuit. But as vehicle became more complicated the number ...
One of the keys to diagnosing a problem with the body control module versus an issue with an individual component is sudden, unusual behavior. Examples include flashing dash lights, a stereo system switching from AM to CD in the middle of a broadcast, the horn honking when you put down a specific window or hazard lights activating themselves in the...
Most of the time, a damaged BCM will have to be replaced and can’t be repaired. Water, vibration, heat and age can all contribute to a module failing, which, depending on the placement of the unit in your vehicle, can be difficult to avoid. The BCM is typically located under the dash or behind a kick panel so there will be some minor interior disas...
The Passkey III anti-theft system uses a transponder inside the head of the ignition key. The exciter inside the ignition lock cylinder energizes this transponder when the ignition switch is turned on. The transponder transmits a unique signature to the theft deterrent control module.
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GM OEM 2010-2019 GM Theft Deterrent Module - 13523275. MSRP: $89.98. Discount: $39.93 (44.4% off) Sale Price: $50.05. Make sure this part fits your Car. Add to Cart. This is a special order part.
Nov 8, 2018 · Body Control Module (BCM) Lower left side of dash. Central Sequential Fuel Injection (SFI) Module (1) Top rear of engine. Chime Module Center of dash, behind radio.
Sep 22, 2011 · GM Genuine Parts Anti-Theft Control Modules are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These modules are one part of the vehicle's theft deterrent system.
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The sections that follow will help you identify the system and describe how to do the relearn. VATS, Passkey, & Passkey II – resistive chip ignition key. Vehicle Anti-Theft System (VATS) – VATS has a separate module called the Theft Deterrent Module (TDM) that validates the resistive chip in the ignition key.
