CV1-4
Service Bulletin/Repair Instructions
Provide an update that would prevent possible message corruption that could take place on the RVC network.
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.
CV1-4
Provide an update that would prevent possible message corruption that could take place on the RVC network.
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.