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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 744 (Body Control System) >> Diagnostic Information and Procedures >> DTC U2000, U2001, U2002, U2003, U2004, U2005, U2006, U2007: Serial Data >> Conditions For Setting the DTC >> U2000

Conditions For Setting the DTC: U2000

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The IPC determines that the BCM transmitted data to the IPC that was invalid for greater than 12 seconds. The IPC sends a message to the BCM via the IPC's SPI serial data "B" circuit, indicating that invalid data was received. The BCM holds the DTC, not the IPC.

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