DTC U2003: Transmitted SPI Data Input High: Description

DTC U2003 indicates that BFC has detected a short to battery on SPI data line from instrument cluster to BFC. DTC U2003 will set when Ignition 0 is active, and when all 3 data bytes received from instrument cluster are FF for 64 transmission cycles. DTC U2003 can be cleared using scan tool, or history DTC will disappear after 100 ignition cycles if fault conditions do not reoccur.