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BRZ Premium, Automatic Trans
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Section 18 (Can Communication System (Diagnostics))
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CAN Communication System
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DTC U0073: Control Module Communication Bus "A" Off
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Circuit description
Circuit description
WARNING:
This page is about a different car, the 2018 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.
Lost communication due to high-speed CAN communication error.
DTC No.
Detecting conditions
U0073
Communication is interrupted due to high-speed CAN communication error.