2015 RAM ProMaster service brakes problems

What owners report

• “The contact owns a 2015 Ram ProMaster 2500. The contact stated that the same day that the vehicle was purchased, the check engine warning light illuminated. The contact stated that after shifting to park(P) and the parking brake was engaged, the vehicle rolled backwards. The vehicle was taken to the dealer, who diagnosed the vehicle with an unknown sensor failure. The sensor and the brakes were repaired. The contact retrieved the vehicle, and the check engine warning light was illuminated. When …”

  NHTSA complaint · filed 12/19/2025

• “RECENTLY THIS VEHICLE WAS PARKED ON A SLIGHT INCLINE AND AFTER THE EMERGENCY BRAKE WAS APPLIED THE VEHICLE BEGAN TO ROLL. THIS MODEL VEHICLE DOES NOT HAVE A PARK POSITION FOR THE TRANSMISSION LEVER. NOT SURE WHY THIS VEHICLE DOES NOT HAVE A PARK POSITION BECAUSE WHEN THIS EMERGENCY BRAKE FAILED THERE IS NOTHING TO HOLD THE VEHICLE IN PLACE.”

  NHTSA complaint · filed 01/14/2019

• “THERE IS A SERIOUS DEFECT IN THE PARKING BRAKE WHICH CAUSES IT TO FREEZE AND LOCK UP IN COLD TEMPERATURES. THIS VEHICLE HAS AN AUTOMATIC TRANSMISSION WITH NO PARKING GEAR SO THE PARKING BRAKE IS REQUIRED TO PARK THE VEHICLE SO THAT IT DOES NOT ROLL. WHAT HAPPENS IS THAT WATER GETS INTO THE PARKING BRAKE CABLE AND FREEZES IN SUBZERO TEMPERATURES CAUSING THE PARKING BRAKE TO NOT ENGAGE, NOT RELEASE, OR ONLY RELEASE PARTIALLY SO THAT IT DRAGS. FROM THE DRIVERS PERSPECTIVE IT APPEARS NORMAL OTHER…”

  NHTSA complaint · filed 11/07/2018

• “MY TRUCK IS IN GETTING BRAKES CHANGED FOR THE THIRD TIME THERE IS ONLY 36000 MILES ON IT EVERY TIME I BROUGHT IT BRAKE TO DEALER THEY THERE NOTHING WRONG. DRIVING HOME TODAY AND THE BRAKES LOCKED. MY MECHANIC HAS TOLD THAT WITH THESE MODELS AND FORD TRANSIT THAT EXPECT TO CHANGE BRAKES EVERY 15000 MILES. HE SAID THERE SHOULD BE RECALL ON THESE TRUCKS CAUSE IT'S THE SAME PROBLEM WITH EVERY HE HAS SERVICE. I HAVE HAD NOTHING BUT PROBLEMS WITH IT SINCE I GOT BRAND NEW. AND RAM DON'T WANT TO STAND B…”

  NHTSA complaint · filed 09/20/2018

• “I BOUGHT THE RAM PRO MASTER 2015 BRAND NEW AND HAD TO REPLACE THE PARKING BTAKE OUT 4 TIMES AND REPLACED PARKING BRAKE CABLES 3 TIMES. PARKING BRAKE CABLES GET WATER INTO THE CABLES AND FREEZES IN THE WINTER. THE PARKING BREAK YOU SHOULDN'T NEVER HAVE TO REPLACE IT. THE FUNCTION OF THE PARKING BRAKE IS THE HOLD THE TRUCK IN PLACE IT'S NEVER WILD WHILE THE TRUCK IS MOVING NOT AWARE ARE WEARABLE ITEMS.THE PARKING BREAK HIS FALL APART THREE TIMES WHILE I WAS MOVING IN SLOW TRAFFIC ABOUT 30 MILES A…”

  NHTSA complaint · filed 04/12/2018

• “PARKING BRAKE INITIALLY WOULD NOT RELEASE AND STAY LOCKED ON. BRAKE SHOES WORE DOWN TO THE POINT THAT NOTHING WAS LEFT ON THE BRAKE PADS TO HOLD THE VEHICLE IN PLACE TO KEEP IT FROM ROLLING DOWN A HILL. THE VAN TRANSMISSION IS AN AUTOMATED MANUAL WITH NO CLUTCH, SO THERE IS NO WAY TO LEAVE THE VAN IN GEAR WHEN STOPPED AND USE THE TRANSMISSION TO KEEP THE WHEELS FROM ROLLING. I TOOK THE VAN TO THE DEALER. THEY WERE AWARE OF THE PROBLEM BUT WERE UNSURE OF WHY THIS ISSUE WAS HAPPENING. THEIR S…”

  NHTSA complaint · filed 01/11/2017

• “TL* THE CONTACT OWNS A 2015 RAM PROMASTER. THE CONTACT STATED THAT AN ABNORMAL NOISE EMITTED FROM THE REAR DRIVER SIDE BRAKES. THE CONTACT ALSO OBSERVED THAT THE TRANSMISSION AND GLOW PLUGS FAILED. THE CONTACT MENTIONED THAT AFTER THE ACCELERATOR PEDAL WAS DEPRESSED FROM A STOP, THE VEHICLE AGGRESSIVELY LUNGED FORWARD AND AN ABNORMAL NOISE SOUND WAS HEARD. THE VEHICLE WAS TAKEN TO THE DEALER ON SIX OCCASIONS HOWEVER, THE DIAGNOSIS WAS UNKNOWN AND THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WA…”

  NHTSA complaint · filed 08/26/2016

• “TAKATA RECALL: WHILE I WAS DRIVING 70 MPH ON THE FREEWAY, THE CAR SUDDENLY STARTED SHAKING AND IN THE MATTER OF FEW SECONDS THE CAR IMMEDIATELY STOPPED IN THE MIDDLE OF THE FREEWAY. I TRIED TO MOVE OVER TO THE SIDE OF THE FREEWAY SLOWLY, TO A SAFE PLACE, WAS DIFFICULT, BECAUSE AFTER I MOVED THE CAR TO THE SIDE OF THE ROAD, I LOOKED AT THE WHEELS AND IT STARTED MAKING A METAL AGAINST METAL NOISE, LIKE BRAKES ON A TRAIN. AFTER I CALLED THE TOWING, THEY TOOK ME TO THE DEALER, IN CARSON CITY, NEVADA…”

  NHTSA complaint · filed 02/05/2016

Unverified owner reports from NHTSA's public complaint database.

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