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.
SB-258-034
UD TRUCKS: TO REDUCE THE HYDROCARBON AND THE ENGINE SOOT BUILD UP, AN ENGINE HARDWARE AND SOFTWARE HAS BEEN UPDATED AND INTRODUCED. MODELS 2011-2013 UD1800, 2000, 2300, 2600, 3300. *PE UPDATED 3/26/13. *PE
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.