Mazda CX-7 2007–2008 — technical service bulletin
Bulletin 01-015-21-3857 · NHTSA communication 10206000 · issued Dec 17, 2021
Technical service bulletin
communication type
Electrical System
component
2007–2008
model years
4
vehicle entries
Official summary
Remote Start Causes HVAC1 or IGN1 Fuse to Blow - Install Load Reduction Relay Service Harness: TSB 01-046/08 - 2007-2008 CX-7, 2007-2008 CX-9 - REMOTE START CAUSES HVAC1 OR IGN1 FUSE TO BLOW - INSTALL LOAD REDUCTION RELAY SERVICE HARNESS is no longer valid.
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.