Mazda CX-5 2019–2020 — technical service bulletin
Bulletin 01-007-20-3691 · NHTSA communication 10174569 · issued Apr 23, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
2
vehicle entries
Official summary
Some vehicles may exhibit engine overheating and poor A/C performance with DTC P111A:00 stored in memory. ï · DTC P111A:00 - Engine coolant temperature is high. NOTE: If the concern occurred during high speed driving, this Service Information is not applicable. Diagnose concern according to MGSS online. This concern may be due to improper control module software, which causes the cooling fan to run improperly, resulting in high coolant temperature. The fan control module is integrated into the cooling fan component.
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.