DTC B1000: Instrument Cluster Malfunction: Description
When power is applied to instrument cluster, the instrument cluster performs an internal system check. This occurs every 63 seconds. If instrument cluster detects a malfunction in any monitored system, Diagnostic Trouble Code (DTC) B1000 will set in memory. If malfunction is no longer present for 100 consecutive ignition cycles, history DTC will be cleared from memory. After repair is made, history DTC can also be cleared from memory using scan tool.