U0073 Code Troubleshooting: How to Fix Communication Bus ‘A’ …
https://themotorguy.com/u0073-code-troubleshooting-communication-bus-a-off-error/
WEBFeb 21, 2024 · When the U0073 code appears, it means that the CAN bus system is not functioning properly. This can be caused by a variety of issues, such as a damaged or disconnected wiring harness, a malfunctioning module, or a faulty powertrain control module (PCM). One of the most common causes of the U0073 code is a short circuit in the …
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