04006
Service Bulletin/Repair Instructions
ENGINE CONTROL MODULE POWER JUMPER HARNESS. ALL OPTIMA OPUS VEHICLES USING THE CUMMINGS ISB02 ENGINE. *TT
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.
04006
ENGINE CONTROL MODULE POWER JUMPER HARNESS. ALL OPTIMA OPUS VEHICLES USING THE CUMMINGS ISB02 ENGINE. *TT
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.