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Home >> Chevrolet >> 2009 >> Corvette Z06 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.2L, Or 7.0L - Introduction >> Repair Instructions >> Engine Control Module Replacement >> Removal Procedure
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Removal Procedure

IMPORTANT: It is necessary to record the remaining engine oil life. If the replacement module is not programed with the remaining engine oil life, the engine oil life will default to 100 percent. If the replacement module is not programmed with the remaining engine oil life, the engine oil will need to be changed at 5 000 km (3,000 mi) from the last engine oil change.
    Fig 1: View Of ECM & Mounting Bolts
    GM2064027Courtesy of GENERAL MOTORS CORP.
  1. Using a scan tool, retrieve the percentage of remaining engine oil. Record the remaining engine oil life.
  2. Remove the wheelhouse filler panel. Refer to Front Wheelhouse Liner Replacement (Front Liner) or Front Wheelhouse Liner Replacement (Rear Liner) .
  3. Remove the ECM bolts (1).
    4. Fig 2: Identifying ECM
    GM2064029Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECM from the bracket and allow the ECM to hang down from the engine wiring harness.
  5. Disconnect the engine wiring harness electrical connectors (1) from the ECM.
  6. Remove the ECM.
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