Electronic Brake Control Module Replacement

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Electronic Brake Control Module Replacement
WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Electronic Brake Control Module Components
GM1706930Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Preliminary Procedures:Β 
Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
1 Electronic Brake Control Modulator (EBCM) Electrical Connector
Tip:Β  Clean the dirt and debris from around the EBCM before disconnecting the electrical connector.
2 Screw (Qty: 4)
NOTE: Refer to Fastener Notice .

Tighten:Β  3 N.m (26 lb in)

3 Electronic Brake Control Modulator (EBCM)
Tip:Β 
  1. A slight amount of force may be necessary to separate the EBCM from the brake pressure modulator valve (BPMV). DO NOT pry on the EBCM.
  2. After separating the EBCM from the BPMV, cover the BPMV with a lint-free towel to prevent it from becoming contaminated.
  3. Care should be used when installing the EBCM to the BPMV to avoid damage to the internal components.
  4. Program the EBCM. Refer to Electronic Brake Control Module Programming and Setup .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.