Mazda CX-5 2013–2018 — technical service bulletin
Bulletin 07-007-17-3384 · NHTSA communication 10120384 · issued Sep 8, 2017
Technical service bulletin
communication type
Equipment
component
2013–2018
model years
15
vehicle entries
Official summary
Some customers may complain about poor heater performance even after the engine reaches normal operating temperature. This may be caused by a clogged heater unit. For Mazda6 and CX-5, the check engine light may illuminate with the DTC P011A:00 stored at the same time. P011A:00 ECT sensor No.1/No.2 performance problem. NOTE: Refer to TSB 01-015/15 if the customer is using a block heater at temperatures below freezing.
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.