Problems · by component
2004 MINI Cooper electrical system problems
34 owner complaints to NHTSA about the 2004 MINI Cooper cite electrical system, 6% of all 529 complaints for this model year.
Complaints
34
6% of all complaints
Crashes
0
Reported by owners
Fires
8
Reported by owners
Injuries
1
Reported by owners
What owners say about the electrical system
Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2004 MINI COOPER. THE CONTACT STATED THAT THE VEHICLE'S BATTERY WAS LOCATED IN FRONT OF THE FIREWALL ABOVE THE GEAR BOX. THE BATTERY ACID LEAKED ONTO TWO SHIFTER CABLE LINKAGES, WHICH CAUSED THEM TO MELT UNEXPECTEDLY. THE VEHICLE WOULD NOT SHIFT GEARS. THE CONTACT ALSO STATED THAT THE SAME FAILURE OCCURRED ONE OTHER TIME. THE VEHICLE WAS REPAIRED SIX MONTHS AGO BECAUSE OF THE SAME FAILURE. THE MANUFACTURER WAS NOTIFIED. THE VEHICLE WAS NOT REPAIRED AGAIN. THE APPROXIMATE FAILURE MILEAGE WAS 130,000.”
“DRIVING DOWN HONDA PARKWAY I HEARD POP SOUND. TPMS LIGHT STARTED FLASHING AND SMOKE STARTED COMING OUT FROM UNDER HOOD. I PULLED OFF OF ROAD INTO A GAS STATION. AT THAT TIME I DIDN'T HAVE ANY POWER BRAKES.THE CAR WAS FULLY ENGULFED IN FLAMES IN ABOUT 10 MINS. THE FIRE DEPT PUT OUT FIRE.”
“I WAS DRIVING MY DAUGHTER TO SCHOOL WHEN IT FIRST HAPPENED, THE WHEEL GOT SO TIGHT AND I HIT THE CURB. THANK GOD I WAS IN A SCHOOL ZONE AND THEREFORE I WAS DRIVING SLOW. AFTER THAT, I NOTICED THAT SAME DAY THAT MY BATTERY WAS DRAINED WHEN I WAS LEAVING FROM WORK. I GOT A JUMP BUT THEN IT HAPPENED AGAIN WHEN I STOPPED FOR GROCERIES. I FIGURED SOMETHING MUST BE WRONG WITH THE BATTERY (WHICH IS FAIRLY NEW) OR THE ALTERNATOR. I TOOK MY CAR TO A SHOP AND THEY DIAGNOSED THE BATTERY AND THE ALTERNATOR WAS FINE. BUT THEY ALSO SAID THERE WAS A STRANGE NOISE COMING FROM MY POWER STEERING PUMP. I BOUGHT POWER STEERING FLUID THINKING THAT WAS THE REASON, BUT AFTER I POURED SOME ITS STILL THE SAME. I STARTED RESEARCHING AND I FOUND OUT A LOT OF PEOPLE ARE HAVING THIS SAME ISSUE AND ITS A DEFECTIVE ISSUE FOR THIS MINI GENERATION. *TR”
“I EXPERIENCED A SUDDEN LOSS OF POWER STEERING ON MY VEHICLE. FORTUNATELY THIS DID NOT RESULT IN A CRASH BUT IT SURE SCARED ME. I AM CONCERNED ABOUT MY SAFETY DRIVING THIS VEHICLE AND MAY CONSIDER GETTING RID OF IT. I AM DISAPPOINTED IN MINI'S UNRESPONSIVENESS TO THIS ISSUE. *TR”
“WHILE DRIVING AROUND TOWN THE POWER STEERING QUIT WORKING MAKING THE CAR VERY HARD TO TURN. IT WAS NOT NOTICEABLE DRIVING STRAIGHT, BUT WHEN TAKING A LEFT OR RIGHT TURN YOU ALMOST CANNOT MAKE THE TURN UNLESS YOU REALLY CRANK ON THE STEERING WHEEL. THIS PROBLEM HAS BEEN HAPPENING INTERMITTENTLY WITHOUT NO WARNING. IN ORDER TO GET THE POWER STEERING BACK, THE IGNITION HAS TO BE COMPLETELY SHUT OFF, AND THEN RESTARTED. *TR”
“TL* THE CONTACT OWNS A 2004 MINI COOPER S. THE CONTACT NOTICED THAT THE VEHICLE'S AIR BAG WARNING INDICATOR WAS CONSTANTLY ILLUMINATED AND BOTH FRONT WINDOWS HESITATED TO ROLL UP AND DOWN. ALSO, THE AIR BAG INDICATOR WOULD ILLUMINATE WHEN THE FRONT SEAT BELTS WERE BUCKLED OR UNBUCKLED. THE DEALER STATED THAT THERE WAS A POSITIVE CABLE IN THE FUSE BOX THAT MALFUNCTIONED. THE CONTACT WAS INFORMED THAT THE FAILURE COULD DESTROY THE ELECTRICAL SYSTEM, CAUSE A FIRE, AND KEEP THE AIR BAG FROM DEPLOYING IN A CRASH. THE SEAT BELT BUCKLES WERE REPAIRED, BUT THE FAILURE RECURRED. THE DEALER ALSO DISCOVERED THAT THE CABLE WAS BEING STRETCHED AND THE CENTER SWITCH PACK CASE WAS SEPARATED, WHICH COULD CAUSE THE WINDOWS TO DETACH FROM THE VEHICLE WHILE DRIVING HIGH SPEEDS. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 124,500.”
Showing 6 of 34 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 29, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.