Subaru Forester electrical problems

A CHANGE IN SOME 2019-2020 SUBARU MODELS CAUSES AN INCOMPATIBILITY BETWEEN OBD-II DEVICES AND THE SUBARU STARLINK SYSTEM (WHICH IS USED TO DISPATCH EMERGENCY SERVICES IN THE EVENT OF AN ACCIDENT, AND FOR OTHER PURPOSES). SUBARU SERVICE BULLETIN 15-257-19 11/11/2019 RECOGNIZES THE PROBLEM, BUT DOES NOT OFFER A SOLUTION OTHER THAN TELL THE CUSTOMER NOT TO USE THE OBD-II DEVICE. SINCE THE STARLINK SYSTEM PRIOR TO MODEL YEAR 2019 WAS COMPATIBLE WITH OBD-II DEVICES, IT SEEMS LIKELY THAT A SUBARU INITIATED CHANGE IS CAUSING THIS INCOMPATIBILITY. AS STATED IN THE BULLETIN, IN ORDER TO AVOID HAVING THE CAR NOTIFY THE DEALER EVERY 3 DAYS OF THE PROBLEM, THEY HAVE CHANGED THE NOTIFICATIONS TO ONCE EVERY 10 DAYS. THIS IS NOT SOLVING THE PROBLEM, BUT MERELY PUSHING IT DOWN THE ROAD. SOME CONSIDER STARLINK A SAFETY SYSTEM, AND PAY EXTRA TO HAVE IT AVAILABLE. COPY OF SERVICE BULLETIN ATTACHED. THIS IS A CONTINUING, REPEATED PROBLEM STARTING ON 3/11/2020 AND IS A CONTINUING INTERMITTENT PROBLEM. FIRST DEALER SERVICE ON 3/17/2020 FOUND NO PROBLEM BECAUSE THE ISSUE HAD TEMPORARILY RESOLVED ITSELF. THE SERVICE BULLETIN WAS NOT FOUND BY THE OWNER UNTIL 4/2/2020 AFTER SEVERAL BACK AND FORTH EMAILS WITH SUBARU CUSTOMER SERVICE BEFORE THEN.

AT HIGHWAY SPEED ABOVE 60 MPH SUDDENLY SEVERAL DASH WARNING LIGHTS ILLUMINATE. TRACTION CONTROL, CRUISE, TRANSMISSION OVERHEAT, CHECK ENGINE ALL BECAME ILLUMINATED. NO AFFECTS TO THE OPERATION OF THE VEHICLE. DISCONNECT THE BATTERY OVERNIGHT RESOLVES THE PROBLEM FOR A DAY OR TWO. SITUATION REPEATS ON DRY OR WET ROADWAYS FOR NO APPARENT REASON. ONLINE GOOGLE-YAHOO CHAT ROOMS HAS HUNDREDS OF SIMILAR ISSUES DISCUSSED WITH NO FIXES FROM DEALER OR CORPORATE SUBARU. ITS A BIT UNNERVING WHEN AT HIGHWAY SPEED ALL OR MOST OF THE WARNING LIGHTS ILLUMINATE. ANY ASSISTANCE IS MOST APPRECIATED.

VEHICLE IGNITION IS OFF AND IN PARK. THE SAFETY ISSUE OCCURS WHEN THE REAR TAILGATE IS LEFT OPEN. AFTER 20 MINUTES OF LEAVING THE REAR TAILGATE OPEN, ALL THE INTERIOR LIGHTS TURN OFF CORRECTLY AS A PUBLISHED SAFETY FEATURE TO HELP PREVENT A DEAD BATTERY UPON DEPARTURE. THE USER THINKS EVERYTHING HAS SHUT OFF WHEN THE LIGHTS TURN OFF, HOWEVER, THE REAR TAILGATE ECU DOES NOT TURN OFF OR GO TO A LOW POWER STATE AFTER THE INITIAL 20 MINUTES CAUSING A HIGH DRAIN ON THE BATTERY. THE HATCH ECU CONTINUES TO DRAW IN EXCESS OF 4 AMPS WHILE THE HATCH IS LEFT OPEN, CAUSING A DEAD BATTERY IN AS LITTLE AS A FEW HOURS. THE USER CAN UNKNOWINGLY BE LEFT STRANDED WITH A DEAD BATTERY CAUSING A SAFETY ISSUE. THIS IS A SERIOUS OVERSIGHT AND ENGINEERING ERROR THAT WILL LIKELY LEAVE MANY PEOPLE UNKNOWINGLY STRANDED WITH A DEAD BATTERY.

TL* THE CONTACT OWNS A 2017 SUBARU FORESTER. WHILE DRIVING APPROXIMATELY 70 MPH THE VEHICLE SUDDENLY STALLED. THE DEALER WAS UNABLE TO DIAGNOSE THE CAUSE OF THE FAILURE. THE CONTACT WAS CONCERNED THAT THE VEHICLE WAS UNSAFE. THE CONTACT STATED THAT THE VEHICLE WOULD NOT ACCELERATE WHEN PRESSING THE ACCELERATOR PEDAL. WHILE DRIVING, THE SPEED WAS SUDDENLY REDUCED. AFTER TURNING THE VEHICLE OFF AND RESTARTING THE ENGINE, THE VEHICLE OPERATED AS NORMAL. THE VEHICLE WAS TAKEN TO THE LOCAL DEALER REEDMAN TOLL SUBARU (1700 EAST LINCOLN HWY, LANGHORNE PA) WHO WAS UNABLE TO DUPLICATE THE FAILURE OR DETERMINE THE CAUSE OF THE FAILURE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 90,000.

CAR SUFFERED 10 UNEXPLAINED ORIGINAL BATTERY DISCHARGES IN YEARS 2-3 OF OWNERSHIP. UPON JUMP START, AUTO WOULD START AND OPERATE NORMALLY FOR 2-5 MONTHS BEFORE NEXT DISCHARGE. SUBARU AUTHORIZED WARRANTY REPLACEMENT THROUGH DEALERSHIP WITH NEW LARGER POWERED BATTERY AT END OF YEAR 3 OF OWNERSHIP. REPAIR STATED FAILURE DUE TO BATTERY LEAKAGE ALTHOUGH NONE WAS OBSERVED BY OWNERS. 13 MONTHS AFTER REPLACEMENT BATTERY WAS INSTALLED, IT DISCHARGED TWICE IN SAME DAY AND WAS TAKEN TO ORIGINAL DEALERSHIP (SUBARU OF PORTLAND). SERVICE TECHNICIAN CHECK DETERMINED BATTERY COULD NOT BE RECHARGED, COULD NOT DETERMINE REASON FOR ITS FAILURE, COULD NOT FIND ANY ELECTRICAL PARASITIC DRAWS AND FOUND ALL SOFTWARE WAS UP TO DATE. OWNER WAS CHARGED FOR NEW BATTERY AND INSTALLATION AS FAILED BATTERY WAS NOW OUT OF 1-YEAR SUBARU REPLACEMENT POLICY. BRIEF INTERNET REVIEW SHOWS THIS HAS BECOME A COMMON PROBLEM WITH 2016-2017 SUBARU'S. SUBARU U.S. CORPORATE CUSTOMER CARE DEPARTMENT DEMONSTRATED NO INTEREST IN TAKING COMPLAINT OR LOGGING IN ANY DETAIL INFORMATION, DIRECTING OWNER BACK TO REPAIRING DEALERSHIP. DEALERSHIP CLAIMS NO RESPONSIBILITY FOR FAILED BATTERIES.