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Mazda TSB #09-001-23a
2021 Mazda CX-5
TSB Document:
Affected Component: EQUIPMENT
- Summary
- Some vehicles may exhibit an âIn Vehicle Network Malfunctionâ message appearing in the instrument cluster with DTC U3000:04-TCU (Telematics communication unit internal malfunction) stored after the connected service contract has been discontinued. This is caused by improper control software of the telematics communication unit (TCU). To eliminate this concern, the control software of the TCU has been modified
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