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DTC U2000: Invalid BFC Transmitted SPI Data: Testing

  1. If body function controller (BFC) diagnostic system check has been performed, go to next step. If body function controller (BFC) diagnostic system check has not been performed, go toBODY FUNCTION CONTROLLER (BFC) DIAGNOSTIC SYSTEM CHECK  under SYSTEM TESTS.
  2. Diagnose and repair DTC U2001 through U2007. If repair is complete, go to step  5 . If repair is not complete, go to next step.
  3. Using scan tool, check DTCs. If DTC U2000 is current and DTCs U2001-U2007 are not current, go to next step. If DTC U2000 is current and DTCs U2001-U2007 are also current, go to step  2 .
  4. Replace BFC. See BODY FUNCTION CONTROLLER (BFC)  under REMOVAL & INSTALLATION. After repairs, go to next step.
  5. Reconnect all disconnected components and connectors. Clear DTCs. Perform BODY FUNCTION CONTROLLER (BFC) DIAGNOSTIC SYSTEM CHECK  under SYSTEM TESTS.
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