Mazda TSB #SA-029-20a
2019 Mazda MAZDA3
TSB Document:
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored:  B119F:01 TCU - Tel antenna No. 1 malfunction  B1252:87 TCU - Communication error with connectivity master unit (CMU)  U0156:00 VCM - Communication error with connectivity master unit (CMU)  U0156:00 BCM - Communication error with connectivity master unit (CMU)  U0198:00 BCM - Communication error with emergency call unit  U212D:00 BCM - Communication error with light control module (RH)  U3000:00 TCU - Telematics communication unit internal malfunction  Low Battery DTCs
Click a tab for more information.