Mazda CX-5 2019–2020 — technical service bulletin
Bulletin SA-049-20 · NHTSA communication 10177931 · issued Jul 31, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
3
vehicle entries
Official summary
Some customers may experience an engine no start due to low battery voltage. Mazda is aware of the issue and is working on a solution. NOTE: Battery parasitic draw is intermittent. When the condition is present, battery parasitic draw exceeds 65 mA (0.065 A) 40 minutes after key OFF.
Vehicles covered
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.