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HOMESERVICE MANUALSCHEVROLET2008HHR SS, AUTOMATICREPAIR AND DIAGNOSISBRAKESANTI-LOCK BRAKE SYSTEM, TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEMREPAIR INSTRUCTIONSELECTRONIC BRAKE CONTROL MODULE REPLACEMENT (WITH JL4)
2008 Chevrolet HHR SS, Automatic

Electronic Brake Control Module Replacement (With JL4)

2008 Chevrolet HHR SS, AutomaticSECTION Electronic Brake Control Module Replacement (With JL4)
Fig 1: Locating Electronic Brake Control Module (With JL4)
GM1910347Courtesy of GENERAL MOTORS CORP.
Callout Component Name
NOTE: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch in the OFF position. Failure to observe this precaution could result in damage to the EBCM/EBTCM.

Preliminary Procedures

  1. Turn the ignition switch to the OFF position.
  2. Remove the cover from the engine control module (ECM) and transmission control module (TCM).
  3. Clean the electronic brake control module (EBCM) to brake pressure modulator valve (BPMV) area of any accumulated dirt and foreign material.
  4. Disconnect the electrical connector from the EBCM.
1 Electronic Brake Control Module (EBCM) Bolts (Qty: 4)
NOTE: Refer to Fastener Notice .

Tighten:  3 N.m (27 lb in)
2 EBCM

Procedure

  1. Separate the EBCM from the BPMV by carefully pulling apart. Do not pry the components apart.
  2. If a new EBCM is being installed, program the EBCM. Refer to Control Module References .
3 EBCM O-Ring Seal (Qty: 12)

Procedure

  1. If installing a new EBCM, install new O-ring seals.
  2. Clean the sealing surfaces of the BPMV with denatured alcohol and a clean shop cloth.
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.