Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 584 (ANTI-LOCK BRAKE SYSTEM)REPAIR INSTRUCTIONSELECTRONIC BRAKE CONTROL MODULE (EBCM) REPLACEMENTINSTALLATION PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Install the EBCM to the BPMV.
Install the four retainers that attach the EBCM to BPMV.
Tighten:

Tighten the retainers to 5 N.m (44 in lbs)

Fig 1: EBCM And BPMV
Courtesy of GENERAL MOTORS CORP.
Connect the EBCM harness connector.
Push down lock tab (1) and then move sliding connector cover (2) back in the home position to lock.
Reengage the red locking tab (1) to the connected lock tab.

Fig 2: Connector
Courtesy of GENERAL MOTORS CORP.
Install the air cleaner intake duct. Refer to AIR CLEANER INTAKE DUCT REPLACEMENT in appropriate ENGINE CONTROLS article.
Reposition the module and cables. Connect the cruise control module to the left strut tower. Refer to CRUISE CONTROL MODULE REPLACEMENT in CRUISE CONTROL .
Connect the accelerator and cruise control cable to the accelerator control cable bracket.
Install the front fender upper diagonal brace. Refer to BRACE REPLACEMENT - FRONT FENDER UPPER DIAGONAL in BODY FRONT END .
Install the fuel injector sight shield (3.8 L engine only). Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) in appropriate ENGINE MECHANICAL article.
Turn the ignition switch to the RUN position, do not start engine.
Perform the Diagnostic System Check - ABS .

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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