Acura MDX 2014–2015 — technical service bulletin
Bulletin Service Bulletin · NHTSA communication 10108863 · issued Feb 4, 2015
Technical service bulletin
communication type
Equipment
component
2014–2015
model years
2
vehicle entries
Official summary
Service bulletin - The MIL comes on with DTC P0134 (rear A/F sensor [bank 1, sensor 1] heater system malfunction) and/or P0154 (front A/F sensor [bank 2, sensor 1] heater system malfunction). The PCM misinterprets the heater system input from the A/F sensor and sets DTC codes P0134 and/or P0154.
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.