HSB103120
Service Bulletin/Repair Instructions
Code of Federal Regulations Title 49 Part 579.5 Notices, Bulletins, Customer satisfaction campaigns, and other communications October 2020
Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
HSB103120
Code of Federal Regulations Title 49 Part 579.5 Notices, Bulletins, Customer satisfaction campaigns, and other communications October 2020
1
Code of Federal Regulations Title 49 part 579.5 Notices,Bulletins, customer satisfaction campaigns.
UIB-117-1
UPFITTER INTEGRATION REGARDING ENGINE BLOCK HEATER NOT TIED TO CIRCUIT THAT ACTIVATE UNLESS TEMPERATURE IS -18 DEGREES AND -29 DEGREES C AND NOT CONTINUOUSLY PLUGGED. *CN
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.