Mazda CX-9 2016–2018 — technical service bulletin
Bulletin 01-003-18-3421 · NHTSA communication 10136323 · issued Feb 12, 2018
Technical service bulletin
communication type
Power Train
component
2016–2018
model years
3
vehicle entries
Official summary
Some customers may experience a lack of power with no warning lights illuminated and no related DTCs stored. This concern most likely occurs when the fuel temperature is high and during situations where high power is required. This concern may be caused when the learning value for the low pressure fuel pump exceeds a certain level and the PCM limits engine power to avoid a lack of fuel injection. Even if the low pressure fuel pump has a problem, no DTCs are stored. To eliminate this concern, the PCM control logic has been modified not to limit engine power. After this modification, DTCs P0192:
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.