NHTSA Complaint #10360211 — 2008 HONDA CIVIC

HAVE A 08 CIVIC HYBRID WITH 89K MILES. GOT THE RECENT BATTERY SOFTWARE UPGRADE SEVERAL WEEKS AGO. HAVE HAD A SUDDEN DROP IN BATTERY CHARGE DOWN TO ONE OR TWO BARS, BOTH BEFORE AND AFTER THE UPGRADE. RECOVERY USUALLY FAIRLY QUICK, DRIVING ON THE INTERSTATE, 72 MPH, ALL OF A SUDDEN DASH WENT DARK AND ENGINE STOPPED. NO WARNINGS OR LIGHTS BEFOREHAND. COASTED TO THE SIDE OF THE ROAD. ABLE TO RESTART IMMEDIATELY. HAPPENED TWICE MORE OVER THE NEXT 30 MINUTES. THESE TIMES PUT THE CAR IN NEUTRAL AND RESTARTED AS I COASTED. TANK ABOUT 1/3 FULL WITH SHELL GAS. FILLED THE TANK WITH OFF BRAND GAS AND DROVE THE REST OF THE WAY OK. TOOK IT TO HONDA DEALER. THEY CHECKED ENGINE (NO CODES) AND ELECTRICAL SYSTEM. NOTHING FOUND. HAVE TO DRIVE THIS CAR EVERY WEEKEND FOR 400 MILE ROUND TRIP. CONCERNED ABOUT UPCOMING WEEKEND. *TR