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2001
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Z8
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Bus System Troubleshooting - Overview - E36, E38, E39, E46, E52 & E53
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Bus System Troubleshooting
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Information and Body Bus (I and K bus)
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Troubleshooting The I/K Bus
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Flat Line At 12 Volts
Flat Line At 12 Volts
No communication is currently taking place. The bus may be temporarily off-line or shorted to B+.
Fig 1: Identifying Display (Flat Line At 5 Volt)