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Home › GMC › 2013 › Sierra 1500 XFE › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls/Fuel - 4.8L, 5.3L, 6.0L, 6.2L - Repair Instructions › Repair Instructions › Compressed Natural Gas Control Module Replacement (Fuel Injection) › Removal Procedure

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (TP2 - Auxiliary Battery) , Battery Negative Cable Disconnection and Connection (Single Battery) .
    2. Fig 1: Fuel Injection Control Module
    GM2921005Courtesy of GENERAL MOTORS COMPANY
  2. Disconnect the electrical connector from the FICM (2), by sliding purple connector lock open (1).
    3. Fig 2: Fuel Injection Control Module Mounting Bracket
    GM2920999Courtesy of GENERAL MOTORS COMPANY
  3. Remove the nuts (1) and spacers (2) attaching the FICM to the mounting bracket.
    4. Fig 3: Fuel Injection Control Module Mounting Bracket Bolts
    GM2921002Courtesy of GENERAL MOTORS COMPANY
  4. Remove the bolts (1) attaching the FICM to the mounting bracket.
  5. Remove the FICM from vehicle.
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