2015 Infiniti Q70 hybrid problems

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The Infiniti Q70 and Q70L is a line of mid-size luxury (executive) cars from Nissan luxury division Infiniti. Essentially an update to the Infiniti M series with minor cosmetic changes, the Q70 name was introduced to reflect Infiniti's updated "Q" nomenclature.

First generation

The Chinese model went on sale in 2012.

In 2013, the entire Infiniti line was renamed, with the M sedans becoming the Q70; this reflected the model's relative position in the Infiniti lineup, rather than the engine displacement as had previously been used.

US models went on sale in 2014 model year vehicles. Early models included 3.7, 3.7 AWD, 5.6, 5.6 AWD, Hybrid.

2015 Infiniti Q70 hybrid

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Common 2015 Infiniti Q70 hybrid problems

The Infiniti Q70 Hybrid 2015 has been reported to have several common problems, primarily related to its transmission, hybrid battery system, braking system, and electrical system.

Transmission issues have been reported by some Q70 owners, with some experiencing rough or delayed shifting, slipping out of gear, and transmission failure. These issues have been attributed to faulty transmission components, including the valve body and solenoid pack.

One common issue with the Q70 Hybrid is related to the hybrid battery system. Some owners have reported experiencing reduced battery life and needing to replace the hybrid battery pack, which can be a costly repair. This issue is a significant concern for Q70 Hybrid owners, as the battery pack is a critical component of the vehicle's hybrid powertrain.

Another issue that has been reported with the Q70 Hybrid is related to the vehicle's transmission. Some owners have reported experiencing a delay in shifting between gears, or the transmission not shifting smoothly, which can lead to a rough driving experience. This issue can be particularly concerning for Q70 Hybrid owners, as a smooth and responsive transmission is essential for a comfortable and enjoyable driving experience.

Additionally, some owners have reported issues with the Q70 Hybrid's braking system. The brake pedal may feel spongy or unresponsive, or there may be a grinding or squealing noise when braking. These issues may be related to the brake pads, rotors, or calipers and may require replacement. Proper maintenance and timely replacement of brake components can help prevent these issues and ensure the safety and reliability of the vehicle.

Other common issues with the Q70 Hybrid include problems with the navigation system and the vehicle's electrical system. Some owners have reported the navigation system freezing or not working properly, while others have experienced issues with the vehicle's electrical components, such as the starter or alternator. These issues can be frustrating for Q70 Hybrid owners, as a reliable and functional navigation system and electrical system are essential for a comfortable and convenient driving experience.

While these issues may be concerning for Q70 Hybrid owners, it is important to note that they are not necessarily indicative of a widespread problem with the model. As with any vehicle, regular maintenance and prompt repairs can help mitigate these issues and keep the Q70 Hybrid running smoothly. Infiniti has also issued several recalls and warranty extensions for the 2015 Q70 to address these issues, and owners are encouraged to check their vehicle's recall status and take any necessary actions to prevent or address these issues.

2015 Infiniti Q70 hybrid engine

What is the mpg on a 2015 Infiniti Q70 hybrid?

Powertrain

EngineV6, Hybrid, 3.5 Liter
Fuel EconomyGas - City 29/Hwy 34/Comb 31 MPG
Bore x Stroke3.76 x 3.21
Compression Ratio10.6
Fuel TypeHybrid

Why did Infiniti discontinue the Q70?

Discontinuation. In 2019, Nissan confirmed that the Infiniti Q70, Q70L, Q30, and QX30 models will be discontinued after the 2019 model year due to poor sales as people in Canada, Mexico, and the United States prefer to purchase crossovers and SUVs instead of sedans, hatchbacks, estates, convertibles, and coupes.

How much HP does a Infiniti Q70 hybrid have?

360 horsepower

The Q70 Hybrid's exhilarating driving performance also greatly benefits from use of INFINITI's proven 3.5-liter DOHC 24-valve V6 engine, which paired with the 50 kW electric motor, provides a hybrid system net power of 360 horsepower.

What is the fuel consumption of Infiniti Q70?

The Infiniti Q70 currently offers fuel consumption from 6.9 to 10.2L/100km.

2015 Infiniti Q70 hybrid car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Infiniti Q70 hybrid problems, we found that the most common problems with these 2023 model year vehicles are:

  • Power train problems
  • Vehicle speed control problems
  • Air bags problems
  • Electrical system problems
  • Engine problems

The graph below shows statistics for all 2015 Infiniti Q70 hybrid vehicle components and the number of complaints received.

2015 Infiniti Q70 hybrid complaints

The NHTSA has received 10 complaints about various vehicle components related to the 2015 Infiniti Q70 hybrid.

2023-08-19

AIR BAGS PROBLEM

  • Date Of Incident: 2023-08-18
  • Number Of Injuries: 1
  • VIN: JN1BY1AR3FM
  • Components: AIR BAGS
  • Summary: Driver side airbag deployed as I was turning the corner leaving me with no visual of pedestrians. The deployment resulted in lacerations on my forearm and a knot on my head with a busted lip. My vehicle is technically not drivable because my seatbelts are locked. I am also afraid of driving my vehicle due to the other airbags deploying on my family out of no where. There were no prior lights or warnings to this incident.
2022-06-04

ELECTRICAL SYSTEM,ENGINE PROBLEM

  • Date Of Incident: 2022-05-22
  • VIN: JN1BY1PP3FM
  • Components: ELECTRICAL SYSTEM,ENGINE
  • Summary: During highway driving on May of 2022, the vehicle displayed an Intelligent Key Not Detected error while driving on cruise control. The accelerator was no longer responsive as the vehicle decelerated. The warning lights, infotainment center and A/C were still operational. Vehicle was maneuvered off the highway , but would not start up after power down. Vehicle battery was replaced, and the same error occurred 2 weeks later while the car was idled. Error reported to dealership with remedy of ECM reprogramming following guidelines of BULLETIN ITB13-054D.
2022-04-01

POWER TRAIN PROBLEM

  • Date Of Incident: 2022-03-30
  • VIN: JN1BY1AP9FM
  • Components: POWER TRAIN
  • Summary: The contact owns a 2015 Infiniti Q70. The contact stated while making a left turn, the vehicle stalled. The contact stated that an unknown yellow warning light was illuminated. The contact stated that he was able to restart the vehicle and drove to his residence at 7 MPH. The contact towed the vehicle to the local dealer, where it was diagnosed with needing the transmission valve assembly to be replaced. The vehicle was repaired. The manufacturer had been informed of the failure. The failure mileage was 124,931.
2021-07-07

STEERING PROBLEM

  • Date Of Incident: 2019-01-01
  • Components: STEERING
  • Summary: The contact owns a 2015 Infiniti Q70. The contact stated while reversing into a parking spot and turning the steering wheel, she heard an abnormal sound and the steering wheel continued to turn in a full circle. The contact stated no warning light was illuminated. The contact took the vehicle to the local dealer however, the mechanic was unable to duplicate the failure. The manufacturer had not been informed of the failure. The failure mileage was approximately 40,000. The VIN was not available.
2021-06-15

POWER TRAIN PROBLEM

  • Date Of Incident: 2021-06-01
  • VIN: JN1BY1AP3FM
  • Components: POWER TRAIN
  • Summary: The contact owns a 2015 Infiniti Q70. The contact stated that the vehicle failed to accelerate above 40 mph. The vehicle was taken to the dealer and diagnosed that the output sensor and transmission control module (TCM) had failed. The vehicle was not repaired and remained at the dealer since the TCM part was on back-order. The manufacturer was made aware of the failure. The contact was informed that the diagnostic report would be sent once completed. The failure mileage was 72,000.
2021-01-11

VEHICLE SPEED CONTROL PROBLEM

  • Date Of Incident: 2021-01-06
  • VIN: JN1BY1AP0FM
  • Components: VEHICLE SPEED CONTROL
  • Summary: CAR WILL STOP ACCELERATING WITH NO WARNINGS THEN WILL START BACK MOVE WHEN YOU LET THE SIT FOR AND HOUR. ENGINE LIGHT WILL NOT LIGHT UP WHEN THE INCIDENT HAPPENED SO THE PROBLEM CAN NOT BE DIAGNOSED UNTIL THE ENGINE COME ON. HOWEVER WHEN THE ENGINE LIGHT DOES COME YOU CAN TAKE TO DEALERSHIP AND THEY WILL TELL THAT THE TRANSMISSION SPEED SENSORS NEED TO BE REPLACED IN WHICH THE SENSOR IS LOCATED INSIDE THE TRANSMISSION AND IN CONJUNCTION TO THAT IT IS RECOMMENDED THAT THE VALVE BODY SHOULD BE REPLACED ALSO. THIS HAS BEEN A PROBLEM WITH A LOT OF THE INFINITI'S WITH YEARS RANGING FROM 2014-2019 WITH 3.7 LITER ENGINE. THIS PROBLEM SHOULD BE RESOLVED BECAUSE THE CAR CAN SUDDENLY STOP MOVE AT HIGH SPEEDS AND CAUSE AND ACCIDENT. PLEASE TAKE A GOOD LOOK AT THIS RECALL AAMCO TRANSMISSION HAVE HAD HUNDREDS OF INFINITI'S WITH THE SAME PROBLEM AND THEY CAN NOT REPAIR SO THEY WILL SEND YOU TO THE DEALERSHIP FOR REPAIRS IN WHICH IT WILL COST THE CONSUMER 3,000 PLUS TO FIX THE PROBLEM AND THEY WILL RECOMMEND THAT YOU SHOULD GET THE TRANSMISSION REPLACED INSTEAD OF REPAIRING IT AND MOST OF THE VEHICLES ARE HAVING THIS PROBLEM WITH LOW MILEAGE. SCAN CODES P0500, P0720, P1574
2017-03-09

VEHICLE SPEED CONTROL PROBLEM

  • Date Of Incident: 2017-01-23
  • Crash: 1
  • VIN: JN1BY1AR2FM
  • Components: VEHICLE SPEED CONTROL
  • Summary: TL* THE CONTACT OWNS A 2015 INFINITI Q70. WHILE OPERATING THE VEHICLE IN THE DRIVEWAY, IT SURGED FORWARD AND CRASHED INTO THE PARKING BARRIER IN THE NEIGHBOR'S YARD. THE FAILURE OCCURRED WITHOUT WARNING THE FAILURE OCCURRED TWICE. A POLICE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED TO THE DEALER. THE FRONT END AND UNDERCARRIAGE OF THE VEHICLE EXPERIENCED SEVERE DAMAGE. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THERE WERE NO INJURIES. THE FAILURE MILEAGE WAS APPROXIMATELY 23,000. UPDATED 05/16/17*LJ *AS
2015-09-20

EXTERIOR LIGHTING,VISIBILITY/WIPER PROBLEM

  • Date Of Incident: 2015-09-09
  • VIN: JN1BY1AR3FM
  • Components: EXTERIOR LIGHTING,VISIBILITY/WIPER
  • Summary: HEADLAMPS LOW BEAMS DO NOT ILLUMINATE PROPERLY. THE IS ABSOLUTELY NO ILLUMINATION ABOVE A VERY LOW HORIZONTAL PLANE WHEN GOING DOWN A HILL OR UP A HILL. IN SOME CASES, THERE IS NO LIGHT VISIBLE BEYOND 30-40 FEET. THIS CREATES AN EXTREMELY DANGEROUS SITUATION WHEN NAVIGATION HILLY ROADS. IN FACT IT IS DOWNRIGHT SCARY TO DRIVE THIS CAR AT NIGHT. SPOKE TO DEALER AND THEY ADJUSTED THE BEAMS AS HIGH AS THEY COULD, BUT THIS DID NOT HELP. JUST LAST NIGHT I ALMOST HIT A DEER. I COULD NOT SEE FAR ENOUGH IN FRONT TO THE CAR. LUCKILY, I WAS DRIVING SLOWLY AND I WAS ABLE TO STOP IN TIME.
2015-09-20

POWER TRAIN PROBLEM

  • Date Of Incident: 2015-09-19
  • VIN: JN1BY1AR3FM
  • Components: POWER TRAIN
  • Summary: THIS CAR VIBRATES WHEN TRAVELING AT SPEEDS OF 40MPH AND 65MPH. SIGNIFICANT VIBRATION CAN BE FELT IN THE CENTER CONSOLE AND ARMREST. MY CAR HAS A ESPECIALLY SEVERE VIBRATION AROUND 40 MPH WHEN DRIVING UP A HILL AND THE TRANSMISSION IS SET TO ECO MODE. VIBRATION CAN BE FELT IN THE STEERING WHEEL AND THE DRIVER AND PASSENGER FRONT SEAT. TIRES WERE ROAD FORCE REBALANCED BY THE DEALER, BUT THE PROBLEM PERSISTS. SINCE IT IS AT ONLY CERTAIN SPEEDS, THE CAUSE OF THE PROBLEM HAS NOT BEEN IDENTIFIED BY THE DEALER.
2015-09-01

VISIBILITY PROBLEM

  • Date Of Incident: 2015-08-31
  • VIN: JN1AY1PPXFM
  • Components: VISIBILITY
  • Summary: TL* THE CONTACT OWNS A 2015 INFINITI Q70 HYBRID. WHILE DRIVING APPROXIMATELY 70 MPH, THE CONTACT HEARD A LOUD POP NOISE. THE CONTACT PULLED OVER AND OBSERVED THAT THE SUN ROOF EXPLODED. THE VEHICLE WAS NOT TAKEN TO A DEALER OR DIAGNOSED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 1,000.

2015 Infiniti Q70 hybrid recalls

The National Highway Traffic Safety Administration (NHTSA) has issued 2 recalls for different components of the 2015 Infiniti Q70 hybrid.

2024-06-21
  • Manufacturer: Nissan North America, Inc.
  • Components: POWER TRAIN:DRIVELINE:DRIVESHAFT
  • Summary: Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
  • Consequence: A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is in park without the parking brake applied. Both scenarios can increase the risk of a crash.
  • Remedy: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.
2014-09-22
  • Manufacturer: Nissan North America, Inc.
  • Components: ENGINE AND ENGINE COOLING:ENGINE
  • Summary: Nissan North America, Inc. (Nissan) is recalling certain model year 2013-2014 Infiniti M35 hybrid vehicles manufactured April 7, 2012, to September 9, 2013, 2014 Infiniti Q50 hybrid vehicles manufactured December 10, 2012, to July 15, 2014, and 2014-2015 Infiniti Q70 hybrid vehicles manufactured April 9, 2010, to May 7, 2014. Due to a software error, In the affected vehicles, if the signal is lost from one of the two throttle position sensors (TPS), the engine control module (ECM) will go into a fail-safe mode, partially closing the throttle chamber. Should the lost signal be restored, the throttle chamber may open, regardless of the position signal from the TPS.
  • Consequence: The vehicle may gradually accelerate due to the throttle chamber reopening. This unexpected acceleration may increase the risk of a crash.
  • Remedy: Nissan will notify owners, and dealers will reprogram the ECM, free of charge. The recall began on November 10, 2014. Owners may contact Nissan customer service at 1-800-647-7261.
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Additional sources

More sources of information about 2015 Infiniti Q70 hybrid problems:

Infiniti Q70 Common Faults - Nissan Forum | Nissan Forums
Infiniti Q70 Common Faults - Nissan Forum | Nissan Forums
https://forums.nicoclub.com/infiniti-q70-common-faults-t616928.html

Aug 11, 2017 ... I have tried to search google for any common faults related to the Infiniti Q70 but so far no luck. Can anyone list some of the common ...

Best source for Infiniti common issues/problems? | Infiniti Q50 Forum
Best source for Infiniti common issues/problems? | Infiniti Q50 Forum
https://www.infinitiq50.org/threads/best-source-for-infiniti-common-issues-problems.141402/

Mar 16, 2023 ... Possibly considering 2015 but the transmission valve body is known to fail. ... I'm also considering a M37 or Q70 ... Infiniti Q50 Hybrid was ahead ...

Very Disappointed with my 2015 Q70 - Nissan Forum | Nissan Forums
Very Disappointed with my 2015 Q70 - Nissan Forum | Nissan Forums
https://forums.nicoclub.com/very-disappointed-with-my-2015-q70-t593997.html

Oct 20, 2014 ... no issues.. I had an Infiniti G35, then I got the vortech supercharger kit, still no issue, then I abused the car on the track, still no issue..

2015 Infiniti Q70 Hybrid Prices, Reviews, and Photos - MotorTrend
2015 Infiniti Q70 Hybrid Prices, Reviews, and Photos - MotorTrend
https://www.motortrend.com/cars/infiniti/q70-hybrid/2015/

Trunk shrinks compared to gas models · Body rolls too much when pushed hard · Not really the driver's car that Infiniti claims it to be ...

3 Common Reasons Your INFINITI Wont Start | INFINITI Parts
3 Common Reasons Your INFINITI Wont Start | INFINITI Parts
https://parts.infinitiusa.com/go/Blog---Common-Reasons-INFINITI-Wont-Start.html

May 27, 2021 ... ... engine wont crank, and theres no clicking or lights, dont worry! The most common problems that prevent a car from starting typically involve ...

Other years of Infiniti Q70 hybrid

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Q70 hybrid 2014
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infiniti q70 hybrid 2015 photo
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