NHTSA Complaint #10935556 — 2015 VOLKSWAGEN GOLF

VERY ROUGH IDLE/DANGEROUS LOSS OF POWER ELECTRONIC POWER CONTROL LIGHT ILLUMINATES. CAR DEVELOPS ISSUE IN 2 INSTANCES, WILL IDLE SMOOTHLY AT REST AND THEN EPC LIGHT WILL ILLUMINATE AND VERY ROUGH IDLE WILL ENSUE WITH ENTIRE CAR SHAKING. CAR MUST BE SHUTOFF AND RESTARTED TO CORRECT. ONCE RESTARTED CAR WILL IDLE NORMALLY AND LIGHT IS OFF. SECOND ISSUE IS WITH CAR AT LOAD, DRIVING NORMAL SPEEDS WHEN EPC LIGHT WILL COME ON AND ENGINE POWER IS DRAMATICALLY REDUCED MAKING FOR EXTREMELY HAZARDOUS CONDITION IF PULLING OUT OR ACCELERATING IN TRAFFIC. SUDDEN LOSS OF POWER CAN ONLY BE RESOLVED IF SAFE PLACE AVAILABLE TO PULLOVER AND RESTART THE CAR. VW DEALER SAYS THEY CAN ONLY REPAIR CAR IF IT DISPLAYS BEHAVIOR AT SHOP. SINCE LIGHT IS OFF WHEN RESTARTED IT IS NOT RUNNING POORLY WHEN DRIVEN IN FOR SERVICE THEY STATE NO PROBLEM FOUND. THEY CLAIM THE ECU FAULT CODE DOES NOT TELL THEM THE CAUSE ONLY THAT IT HAPPENED EVEN THOUGH OTHER DIAGNOSTIC TOOLS DESCRIBE THROTTLE BODY ISSUES OR BAD SPARKPLUG COILS MAY BE AT FAULT. WHITE KNUCKLE ISSUE WHICH ELIMINATES CONFIDENCE IN DAY TO DAY DRIVING. THERE IS NO WARNING INVOLVED IT JUST HAPPENS. CASUAL RESEARCH INTO THESE SYMPTOMS RESULTS IN AN ALARMING NUMBER OF OWNERS WHO HAVE EXPERIENCED SAME ISSUES. CAR UNSAFE TO DRIVE WHEN POWER LOSS MANIFESTS ITSELF. MANY OTHERS ALSO DESCRIBE A FAULTY WIRING HARNESS FOR THROTTLE BODY FOR WHICH THERE IS AN INTERNAL VW TSB BUT DEALERS SAY IS TIME CONSUMING AND THEY ARE NOT REIMBURSED FOR IN A TIMELY MANNER BY VW OF NA. DISAPPOINTMENT AND THEN SOME. *TR