Infiniti M35 Hybrid 2011–2015 — technical service bulletin
Bulletin ITB17-057 · NHTSA communication 10127442 · issued Dec 1, 2017
Technical service bulletin
communication type
Equipment
component
2011–2015
model years
17
vehicle entries
Official summary
2011 - 2013 M AND M HYBRID, 2014-2015 Q70 AND Q70 HYBRID; POOR HEATER PERFORMANCE FROM THE PASSENGER SIDE IF YOU CONFIRM With the engine running at full operating temperature and the HVAC set to VENT (face) and 90°F on both sides, the VENT air temperature on the passenger side is more than 10°F colder than the VENT air temperature on the driver side, AND THEN When the HVAC control is adjusted to 60°F on both sides, there is a noticeable change from warm air to cool (A/C) air discharged from VENT on both sides. This confirms proper MIX door operation, NOTE: If the MIX door operation is abnormal
Vehicles covered
- 2012 Infiniti M35 Hybrid
- 2011 Infiniti M37
- 2012 Infiniti M37
- 2013 Infiniti M37
- 2011 Infiniti M37 Hybrid
- 2012 Infiniti M37 Hybrid
- 2013 Infiniti M37 Hybrid
- 2011 Infiniti M56
- 2012 Infiniti M56
- 2013 Infiniti M56
- 2011 Infiniti M56 Hybrid
- 2012 Infiniti M56 Hybrid
- 2013 Infiniti M56 Hybrid
- 2014 Infiniti Q70
- 2015 Infiniti Q70
- 2014 Infiniti Q70 Hybrid
- 2015 Infiniti Q70 Hybrid
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.