Home09-021-20-3714a · MAZDA
MAZDA

09-021-20-3714a

Manufacturer communications

Publication date
2020-11-16
Received by NHTSA
2020-12-03
NHTSA record numbers
10183598

Manufacturer summary

Original wording in English

Some customers may experience the master warning light and/or the "In-Vehicle Network Malfunction" warning message in the instrument cluster on with DTC B119F:01, B119F:13 and/or B119F:2B stored when the vehicle position cannot be displayed correctly. 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) This concern may be caused by incoming noise disturbing the reception of GPS signals, resulting in the wrong vehicle location and the DTC stored. To eliminate this concern, the GPS antenna has been modified.

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.

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MakeModelModel year
MazdaCX-302021
MazdaCX-302020
MazdaMAZDA32021
MazdaMAZDA32020
MazdaMAZDA32019

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