2015 Chevrolet Tahoe Electrical System
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
The vehicle information system, Radio, Maps, Phone goes uncontrolled, Changes volume, radio station changes randomly and sometimes won't allow the driver to even turn off the radio; makes calls from phone contacts while driving randomly and there's NO WAY to hang up! Unable to change time on screen, plus other random electronic actions. This distracts the driver in numerous ways, diverting attention from driving while trying to manage the issue; unable to hang-up a random phone call while driving.
The contact owns a 2015 Chevrolet Tahoe. The contact stated that the message “Service Trailer Brake System” was displayed on the instrument panel while starting the vehicle. The vehicle was taken to the dealer, but the vehicle was not diagnosed. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 71,000.
Odometer Fraud. The contact purchased a 2015 Chevrolet Tahoe. The contact stated that while attempting to register the vehicle, it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 116,485, and at the time of registration, it was discovered that the mileage was 150,237.
The trailer brake system continues to alert due to a wire control harness that’s defective. I’ve spent a ton trying to repair it but it continues to damage other parts of my car like the alternator and battery this week
The "Service Trailer Brake System" pops up on the dash and makes noise every 45 seconds. Its distracting and dangerous to be driving while this is happening.
The contact owns a 2015 Chevrolet Tahoe. The contact stated that while driving at undisclosed speeds, the electrical system was failing intermittently. Additionally, several unknown warning lights were illuminated. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 122,000.
The contact owns a 2015 Chevrolet Tahoe. The contact stated that the vehicle had been experiencing electrical failures. The contact stated while driving at various speeds, warning messages indicating that the forward collision system, the StabiliTrak, and the theft deterrent had failed, and other unknown messages were displayed. The contact stated that the vehicle would suddenly shut off. The contact was able to restart the vehicle after several attempts or after adjusting the battery cable. The vehicle was taken to the local dealer on two occasions; however, the dealer could not duplicate the failure. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 130,000.
I repeatedly get message to service trailer broke system. I cannot drive without the constant dinging and the message popping up on the dash. Can I even monitor my speed because the message is constantly popping up. Oh Papa that my trailer bikes, don’t seem to be working. This could be very dangerous.
While driving the children to school making a Right turn in the school grounds. The Tahoe completely shut down and restarted. In the 10 seconds it was down I was unable to steer the vehicle and there was absolutely no power. When the vehicle restarted itself the "service trailer brake system", "Service stabilitrac" message come over the display. I immediately took it to the Sun Auto who recently replaced the AC compressor, they kept the vehicle for one day and part of another and they could not find any issues. It seems as if there is battery drainage and this has been inspected by North Side Chevrolet and they have been There are no service indicators and or messages. This is the second time it has done this to me and I am concerned for one my life, the five year old twins I drive everyday and any other people that could potentially be harmed by such a terrifying shut down. Imagine if I am on the highway driving to my job at the hospital and this happens.
The service break trailer system warning keeps going off when I’m not towing anything. It’s to the point that in a 10 Minute drive it goes off about 10 times. I’ve been to numerous machanics and none of them are able to determine what is causing this issue
The contact owns a 2015 Chevrolet Tahoe. The contact stated while driving on the highway at an undisclosed speed, the trailer braking system warning light illuminated. The contact stated that the failure recurred several times. The vehicle was not taken to be diagnosed or repaired. Neither the manufacturer nor the dealer had been notified of the failure. The failure mileage was 123,917.
I purchased a Certified pre-owned Chevy Tahoe, in 2017, for the past year to as of 2/18/2022, the Service Trailer Brake has been chiming. It isn’t continuous majority of the time, but I know it isn’t right and often alarms me when it does chime. I do not tow trailers behind my vehicle at all. I drive to work and home, take kids to school and sporting events. .I would like to know if this has or when will this be recalled? Obviously something is setting it off??
Trailer brake system error keeps showing. And not towing anything or using trailer brakes. Incredibly annoying
The trailer brake warning repeatedly alerts - even when not towing a vehicle or in use. This is distracting and has been for some time.
VEHICLE LOOSES POWER WHILE DRIVING FOR A SHORT PERIOD OF TIME. STARTS WITH WARNING DASH LIGHTS ACTIVING (ABS, GRADE BRAKE ASSIST) LOSS OF RADIO AND THEN THE TRUCK CUTS OFF, YET RESETS/RESTARTS ITSELF IMMEDIATELY.
Power Steering went out after being recalled in 2018.
There is a trailer brake warning that comes up, sometimes 10 times in a single mile of driving on the freeway. It beeps very loud and I cannot hear anything else. It is distracting to drive and I am unable to shut it off, I can only dismiss. I am now not sure if I can tow with my Tahoe because I fear there is something wrong with the trailer brake system. It is loud enough that if something else was wrong, I may not be able to hear it happening with the warning sound going off so often. I don't know exactly what is going on but my best guess is that it is either with the wiring, as this happens when I am not towing, or there is a sensor of some sort that is faulty. In any case, I don't think it is safe to tow because of potential hazards of the trailer brakes not working, or even worse, the trailer brakes locking up and me causing an accident.
Trailer brake system warning light keeps coming on, over 64 times in less then a 2 hour period, and I"m not even towing or using the trailer brake. It's very annoying, loud and can cause a crash as you immediately look down to see why the beeps are coming for
INTERIOR LIGHTS BLINK WHEN BRAKES ARE TAPPED AND WHEN USING LEFT TURN SIGNAL. HAS BEEN HAPPENING FOR 2.5 YEARS AND I NOTIFIED THE DEALERSHIP BUT REPAIR WOULD HAVE BEEN MY COST.
TL* THE CONTACT OWNS A 2015 CHEVROLET TAHOE. THE CONTACT STATED WHILE DRIVING 40 MPH, WHEN THE VENTS STARTED TO BLOW HOT AIR. THE CONTACT STATED THAT THERE WAS A LEAK UNDER THE FRONT DRIVER'S SIDE UNDER THE AIR CONDITION LOCATION. THE CONTACT CALLED FIVE STAR CHEVROLET LOCATED AT 1735 S. INTERSTATE 35 E, CARROLLTON, TX 75006, (439)208-8767, AND THE DEALER WAS MADE AWARE OF THE FAILURE. THE CONTACT WAS INFORMED THAT THE AIR CONDITIONER CONDENSER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER HAD NOT BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 100,409.
BOTH TAIL LIGHTS HAVE STOPPED WORKING AT THE SAME TIME. NOT A FUSE, IT'S A MALFUNCTION WITHIN THE LIGHT ITSELF.
I PUT ON THE BRAKES AND THE INTERIOR LIGHTS FLICKER IT IS DISTRACTING WHILE DRIVING AT NIGHT. SEEMS TO HAPPEN WHILE CAR IS RUNNING ON THE COOLER SIDE OR JUST STARTING. THIS HAS BEEN HAPPENING SINCE WE PURCHASED THE VEHICLE. I HAVE DONE SOME RESEARCH AND IT SEEMS THAT I AM NOT THE ONLY 2015 CHEVY TAHOE OWNER WHO IS EXPERIENCING THIS ISSUE.
WHILE DRIVING AT NIGHT WHEN APPLYING THE BRAKES THE TRUCK WILL SHUT OFF .ALL POWER WILL CUT OFF ( TRUCK WILL CUT OFFF, NO LIGHTS , ALL POWER SHUTS OFF . I WILL POP THE HOOD MOVE THE BATTERY POST IT HI THE BATTERY AREA AND THE POWER COMES BACK ON
AND 2015 CHEVROLET TAHOE AND SUBURBAN VEHICLES EQUIPPED WITH A BASE RADIO AND AN INTERNAL AMPLIFIER. THE RADIOS IN THE AFFECTED VEHICLES MAY BECOME INOPERATIVE, AND AS A RESULT, THERE WOULD BE NO AUDIBLE CHIME TO NOTIFY THE DRIVER IF THE DOOR IS OPENED WITH THE KEY IN THE IGNITION OR NO AUDIBLE SEAT BELT WARNING INDICATING THE SEAT BELTS WERE NOT BUCKLED. AS SUCH, THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD (FMVSS) NUMBERS 114, "THEFT PROTECTION AND ROLLAWAY PREVENTION," AND 208, "OCCUPANT CRASH PROTECTION."
HEAVY MOISTURE IS ACCUMULATING IN THE FRONT LEFT HEADLIGHT WITH NO CRACKS IN THE LIGHT. IT IS CAUSING THE LEFT FRONT TURN SIGNAL TO MALFUNCTION WITH A WARNING ON OUR INSTRUMENT PANEL. THIS CAUSES A DANGEROUS SITUATION WHEN WHEN MAKING LEFT TURNS AS THE LEFT TURN SIGNAL IS INOPERATIVE. CHEVROLET IS NOT ACCEPTING OWNERSHIP OF THE FAULTY DESIGN, OR PART, OR SYSTEM AND WANTS US TO ASSUME RESPONSIBILITY FOR THE QUOTED $1200 IN REPAIR COSTS JUST TO REPLACE ONE HEADLIGHT ASSEMBLY. THE EXTENDED WARRANTY WE PURCHASED ALSO WON'T COVER IT. I'M FINDING OUT THROUGH RESEARCH THAT THIS IS A COMMON PROBLEM ON THIS VEHICLE. JUST OVER 50K MILES ON THE VEHICLE! THESE SHOULD BE RECALLED!
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Quick Summary
The 2015 Chevrolet Tahoe has 47 Electrical System complaints on file. Review the timeline above for detailed owner experiences.