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MAZDA

SA-029-20e

Manufacturer communications

Publication date
2020-06-29
Received by NHTSA
2020-07-03
NHTSA record numbers
10177009

Manufacturer summary

Original wording in English

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:à ̄‚· B119F:01 TCU - Tel antenna No. 1 malfunction à ̄‚· B119F:13 (TCU - TEL antenna No.1 circuit malfunction) à ̄‚· B119F:2B (CMU - GPS antenna signal circuit malfunction) à ̄‚· B1252:87 TCU - Communication error with connectivity master unit (CMU) à ̄‚· U0156:00 VCM - communication error with connectivity master unit (CMU) à ̄‚· U0156:00 BCM - Communication error with connectivity master unit (CMU) à ̄‚· U0198:00 BCM - Communication error with emergency call unit à ̄‚· U212D:00 BCM - Communication error with light control module (RH) à ̄‚· U3000:00 TCU - Telematics communication unit internal malfunction à ̄‚· Low Voltage Battery DTCs

NHTSA manufacturer communications ↗

Reported code forms

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Check vehicle applicability

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MakeModelModel year
MazdaCX-302020
MazdaMAZDA32020
MazdaMAZDA32019

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