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Engine – Cummins Diesel
Starting in 2016, the Titan got an all-new engine option: a 5.0L Cummins turbodiesel, available in the XD model.Diesel aficionados everywhere rejoiced upon hearing the news, but sadly, the celebrationwas short-lived. There are numerous accounts of exhaust fumes entering the cabin, leading to an unpleasant – and potentially dangerous – driving condition.
“When the diesel engine goes into DPF regeneration mode, the cab of the vehicle fills with unpleasant fumes that smell like evaporated diesel fuel or other noxious substance that is irritating to the mucous membranes and may cause health issues. The problem is worse when the vehicle is at low speed or in stop-and-go traffic when exhaust fumes are able to collect around the vehicle. The most recent instance occurred in a drive-thru line at a fast food restaurant, and was so pungent that I was forced to abandon the line, park the vehicle and evacuate myself to fresh air,” writes one owner on the NHTSA website.
On Cars.com, another complaint reads, “We were really excited about a Cummins Diesel in a Nissan. I traded my 2015 Titan Pro4X gasser to get the diesel. The brakes are really squashy, the engine surges at a stop, the heated seats don’t work right, exhaust fumes enter the cab even with the AC on recirculate.”
Nissan issued a technical service bulletin (TSB NTB16-056a) to address the concern. There are two repair procedures outlined in the document; the vehicle production date determines which is used.
The first process involves replacing the cabin filter, cowl and accompanying components. Meanwhile, the second procedure only calls for replacement of the cabin filter.
Whether or not the TSB solves the problem is up for debate. Some owners claim the repairs do not work, and in certain instances, Nissan had to buy the truck back.
Here are some actual complaints logged with the NHTSA about the 2017 Nissan Titan Engine Problems
WHEN THE DIESEL ENGINE GOES INTO DPF REGENERATION MODE, THE CAB OF THE VEHICLE FILLS WITH UNPLEASANT FUMES THAT SMELL LIKE EVAPORATED DIESEL FUEL OR OTHER NOXIOUS SUBSTANCE THAT IS IRRITATING TO MUCOUS MEMBRANES AND MAY CAUSE HEALTH ISSUES. THE PROBLEM IS WORSE WHEN THE VEHICLE IS AT LOW SPEED OR IN STOP-AND-GO TRAFFIC WHEN EXHAUST FUMES ARE ABLE TO COLLECT AROUND THE VEHICLE. THE MOST RECENT INSTANCE OCCURRED IN A DRIVE-THRU LINE AT A FAST FOOD RESTAURANT, AND WAS SO PUNGENT THAT I WAS FORCED TO ABANDON THE LINE, PARK THE VEHICLE, AND EVACUATE MYSELF TO FRESH AIR.
THE TRUCK I HAVE PURCHASED ON NOV 24TH, 2017 HAS THE CUMMINGS DIESEL ENGINE. THE TRUCK IS KNOWN NOT TO START IN WEATHER BELOW 12 DEGREES F. NISSAN TECHS TELL ME NOW (AFTER THE SALE) THAT THIS ENGINE NEEDS AN ANTI FUEL GELL ADDIDATIVE IN ORDER FOR THE VEHICLE TO START IN COLD WEATHER.
ON FEB 16 2018 I WAS DRIVING MY 2017 NISSAN TITAN TRUCK WITH 5000 MILES ON THE ODOMETER ALONG A RURAL TWO LANE ROAD IN MISSOURI WITH THREE OTHER PASSENGERS RIDING WITH ME. WE HEARD A NOISE FROM THE ENGINE COMPARTMENT AND SUDDENLY THE POWER STEERING OF THE VEHICLE CEASED TO OPERATE AND THE TRUCK DRIFTED ACROSS THE DOUBLE YELLOW LINES OF THE HIGHWAY. LUCKILY NO CARS WERE COMING IN THE OPPOSITE DIRECTION AND I STEERED HARD TO THE RIGHT AND SLOWED THE VEHICLE DOWN RAPIDLY. I DROVE A SHORT DISTANCE TO A GRAVEL PARKING LOT OF A CHURCH AND WE EXAMINED THE VEHICLE AND COULD SEE THE SERPENTINE BELT WAS NO LONGER IN PLACE. THE TRUCK WAS TOWED TO A NISSAN DEALERSHIP 55 MILES AWAY AND WE AWAITED THEIR REPORT. SEVERAL DAYS LATER I WAS INFORMED THAT THE BELT TENSIONER BRACKET HAD BROKEN IN HALF AND NISSAN WAS GOING TO ORDER PARTS AS THEY WERE NOT IN STOCK AT THE DEALER. REMEMBER THIS IS A NEW 2017 TRUCK WITH ONLY 5000 MILES ON IT. THE SERPENTINE BELT RUNS ALL ASPECTS OF THE VEHICLE AND WITHOUT IT ENGAGED THE VEHICLE BECOMES UNDRIVEABLE. THE VEHICLE IS COMPLETELY STOCK WITH NO MODIFICATIONS OF ANY KIND. THE NISSAN DEALERSHIP ADVISED ME THAT I WAS THE ONLY PERSON IN THE U.S. WITH THIS MALFUNCTION TO DATE. THIS PROBLEM COULD POTENTIALLY KILL.
Powertrain – Shifting
These days, nearly every part of a vehicle – including the transmission – is controlled by a computer. Unsurprisingly, bad programming inside these high-tech devices can lead to problems.
Such is the case with the powertrain computers (called control modules) found in the Titan.Some owners complain of poor shift quality, while others experience lack of power. According to Nissan, both problems can be attributed to bad software inside the truck’s modules.
“Acceleration delay from a standstill or while driving including making when making left or right turns. Transmission shift delay between gears and confusion whether to up or downshift,”an owner states on the NHTSA website.
Another driver states, “Truck will stutter at times when accelerating from a low speed or dead stop.”
“When pushing on the gas pedal, the vehicle does not always respond immediately. On at least 3 separate occasions, I have been stopped, pressed the gas pedal and the vehicle rolled into an intersection, but I wasn’t able to accelerate for about 3-4 seconds. I was essentially sitting in an intersection blocking traffic waiting on the truck to respond.
Nissan issued two TSBs (NTB16-068b and NTB17-016b) to remedy the concerns. In the first, the automaker tells dealers to reprogram the transmission control module to fix shifting problems.The second document, which addressed the lack of power, says to reflash both the engine and transmission control modules.
Whether either of the two TSBs fix the trucks permanently has yet to be seen.
Here are some actual complaints logged with the NHTSA about the 2017 Nissan Titan Transmission and Shifting Problems
TRANSMISSION SHIFTER CAN POP OUT OF GEAR. SAW IT HAPPEN FIRST WITH GOING FROM DRIVE AND SWITCHING TO NEUTRAL. RECENTLY EXPERIENCED SEVERAL TIMES IT GOING FROM PARK TO REVERSE. HAPPENS WHILE SHIFTING THE SHIFTER. AFTER EXITING THE VEHICLE THE ALARM LETS YOU KNOW CAR IS IN GEAR. IF YOUR LUCKY THE TRUCK DOES NOT ROLL YOU OVER WITH THE OPEN DOOR. HAS BACKED INTO A BUILDING AND BUSTED OUT THE RIGHT TAIL LIGHTS AND CRUSHED SIDE OF THE BED.
TL* THE CONTACT OWNS A 2017 NISSAN TITAN. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE VIBRATED INTENSELY. THE CONTACT PULLED THE VEHICLE OVER TO THE SIDE OF THE ROAD, TIGHTENED THE BOLTS ON THE DRIVE SHAFT, AND TOOK THE VEHICLE TO THE DEALER. THE DEALER DIAGNOSED THAT THE DRIVE SHAFT WAS DETACHING FROM THE VEHICLE. THE VEHICLE WAS REPAIRED, BUT THE FAILURE RECURRED AND CAUSED THE REVERSE CAMERA TO FAIL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 300.
LOUD RATTLE/GRIND/CHATTER FROM THE TRANSMISSION AREA THAT IS CLEARLY HEARD FROM INSIDE THE CABIN DURING UP AND DOWN SHIFTS AT RANDOM TIMES. MOST COMMONLY OCCURS WHEN THE ENGINE IS BEING USED AT HIGH RPM UP TO 40 MPH THEN THE ACCELERATOR IS RELEASED ALLOWING THE 4-5 AND 5-6 SHIFT TO OCCUR AT LIGHT LOAD. THE GRIND IS MOST NOTICEABLE ON THE 4-5 UP-SHIFT. THIS HAPPENS IN ALL DRIVING CONDITIONS, TOWING, OR UNLOADED. SOME FACTS: RATTLES IN ALMOST ANY GEAR. HEARD FROM THE FRONT OF THE TRANNY AREA. HAPPENS WHEN GOING FROM A HIGH RPM SITUATION TO A LOW RPM SITUATION. DOES IT IN BOTH REGULAR AND TOW MODES. SEEMS TO HAPPEN MORE WHEN THE TRANSMISSION IS HOT. ONLY HAPPENS WHEN DRIVING (NOT REVVING IN NEUTRAL). HAPPENS BOTH WHEN I DRIVE OR MY SPOUSE DRIVES. SEEMS TO HAPPEN WHEN THE THROTTLE IS PARTIAL OR LESS THAN HALF WAY. SOME SHIFTS ARE VERY HARD AND SOME SHIFTS ARE VERY SOFT. THE NOISE COMES AND GOES AND CAN BE VERY LOUD OR VERY QUIET. IT COINCIDES EXACTLY WHEN THE SHIFT OCCURS. THE TRANSMISSION DOES NOT APPEAR TO BE SLIPPING. THE NOISE IS ABNORMAL AS I DROVE OTHER IDENTICAL VEHICLES ON THE DEALER LOT AND COULD NOT DUPLICATE THE PROBLEM. ATTACHED IS THE ENTIRE SAGA WITH NISSAN AND AT PRESENT NISSAN HAS DECIDED TO DO NOTHING TO RESOLVE THE ISSUE. I HAVE BEEN DEALING WITH THIS ISSUE SINCE THE TRUCK WAS NEW 500 MILES.
Your Lemon Law Legal Rights
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