Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Mazda CX-3 2013–2020technical service bulletin

Bulletin MT-004-19 · NHTSA communication 10168139 · issued Nov 20, 2019

Technical service bulletin
communication type
Electrical System
component
2013–2020
model years
38
vehicle entries

Official summary

Some customers may complain about: ï · Intermittent engine no start ï · Instrument cluster red security indicator light ON ï · Engine Start/Start Button Amber indicator light flashing ï · Battery discharge ï · Electrical relay buzzing noise ï · DTC B13D3:94 (Communication error with remote transmitter) stored.This may be caused by: ï · A key in a purse near a cell phone. The cell phone radio waves may interrupt the immobilizer system. ï · An aftermarket cell phone charger. The charger may produce electrical noise that interrupts the immobilizer system. ï · An afterma

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.