2014 Toyota Prius C Recalls, Issues & Maintenance

The 2014 Toyota Prius C has no open NHTSA recalls. Owners report 6 recurring issue clusters, led by “Brake booster and accumulator failure.” Toyota's owner's manual splits service into Schedule 1 (severe) and Schedule 2 (normal). Most US drivers fall under Schedule 1 because it covers short trips, extreme temperatures, dusty roads, or heavy idling. The intervals below reflect Schedule 1 — the schedule Toyota recommends for typical real-world use.

No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues for this vehicle

What drivers and federal regulators have officially reported about the 2014 Toyota Prius C.

Reported to NHTSA

Brake booster and accumulator failure

SERVICE BRAKES

57 NHTSA complaints · 2014-07 → 2026-03

While driving, suddenly all brake lights and warning lights went on, and brakes stopped working normally. It became difficult to brake (brake took a while to engage - had to press pedal to the floor)
Owner report, NHTSA ODI #11700832
While driving my dashboard lit up with Brake, ABS, and traction control warning lights. Brake pedal fell to the floor when pressed. I was then able to stop the car
Owner report, NHTSA ODI #11659668
After I started my car and began driving away from a shopping center, I noticed that there were 3 static warning lights on the dashboard that had not been there before. They were the slip indicator light, the brake light, and the ABS light
Owner report, NHTSA ODI #11546997

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Rodent damage to wiring harness

ELECTRICAL SYSTEM

5 NHTSA complaints · 2015-08 → 2017-05

RODENTS CHEWED ELECTRICAL WIRING MAKING THE VEHICLE UNSAFE TO DRIVE. THE ELECTRONIC SENSORS WERE RENDERED INOPERABLE. THE VEHICLE WAS PARKED IN MY GARAGE FOR THE WEEK END. NEVER HAD THIS PROBLEM WITH MY OTHER VEHICLES PARKED IN SAME GARAGE!
Owner report, NHTSA ODI #10986015
RODENTS CHEWED THROUGH MAJORITY OF THE WIRING UNDER THE HOOD AND BUILD NESTS IN THE ENGINE. THIS HAS HAPPENED TWICE AND I HAVE ONLY OWNED THE CAR FOR 5 MONTHS AND COST ME A LOT OF MONEY FOR REPAIRS WHICH TOYOTA WILL NOT COVER
Owner report, NHTSA ODI #10948489
HAD CAR TAKEN TO DEALER FOR "WARRANTY" SERVICE - WAS TOLD A RODENT HAD EATEN THE HIGH VOLTAGE WIRING INSULATION - NOT COVERED BY WARRANTY
Owner report, NHTSA ODI #10750088

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Hybrid system shutdown and stall while driving

HYBRID PROPULSION SYSTEM

27 NHTSA complaints · 2014-07 → 2025-06

The contact owns a 2014 Toyota Prius. The contact stated was unable to start the vehicle. Additionally, the hybrid system warning light was illuminated. The vehicle was not drivable
Owner report, NHTSA ODI #11525969
I WAS GOING DOWN THE HIGHWAY AT ABOUT 70 MPH WHEN ALL THE SUDDEN THE PRIUS LOST POWER. THE PRIUS DROPPED DOWN TO ABOUT 55 MPH. AFTER A SHORT PERIOD OF TIME THE POWER PICKED UP
Owner report, NHTSA ODI #11151409
I WAS TRAVELING ON AN INTERSTATE HIGHWAY USING CRUISE CONTROL AND GOING ABOUT 72MPH. THE PRIUS SUDDENLY SHUT DOWN. AT FIRST I THOUGHT I HAD BUMPED THE CRUISE CONTROL SO I TRIED RESETTING IT BUT NOTHING HAPPENED
Owner report, NHTSA ODI #11139354

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Air bag non-deployment in crash

AIR BAGS

12 NHTSA complaints · 2014-09 → 2022-05

HEAD ON COLLISION HITTING A TREE, AIRBAGS DID NOT DEPLOY, VEHICLE TOTALED DRIVER IN THE HOSPITAL. ACCIDENT ON SEPTEMBER 1, 2020 IN TALLAHASSEE, FL
Owner report, NHTSA ODI #11359778
Airbags did not deploy when I got into an accident on I-91. The car has been totaled and is in Allstate's possession, and I believe it is available for inspection
Owner report, NHTSA ODI #11458765
TL* THE CONTACT OWNS A 2014 TOYOTA PRIUS. WHILE DRIVING 5 MPH, THE VEHICLE ACCELERATED WHEN THE BRAKE PEDAL WAS DEPRESSED. AS A RESULT, THE CONTACT CRASHED THE VEHICLE INTO A BUILDING AND THE AIR BAGS FAILED TO DEPLOY
Owner report, NHTSA ODI #10762201

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Unintended acceleration

VEHICLE SPEED CONTROL

12 NHTSA complaints · 2014-08 → 2021-08

SUDDEN UNINTENDED ACCELERATION. 2014 PRIUS WAS PARKED FOR A FEW DAYS IN HOT, HUMID WEATHER. WHEN PULLING THE CAR INTO THE DRIVEWAY AT A LOW SPEED, THE CAR SUDDENLY ACCELERATED TO A VELOCITY FAST ENOUGH TO COLLIDE WITH AN SUV PARKED IN THE DRIVEWAY
Owner report, NHTSA ODI #10992060
PULLING INTO A PARKING STALL ALMOST STOPPED. MY CAR SUDDENLY ACCELERATED AND JUMPED THE CURB
Owner report, NHTSA ODI #11088619
I WAS PULLING INTO A CONVENIENCE STORE IN MY 2014 PRIUS. AS I WAS GLIDING IN, I DEPRESSED THE BRAKE PEDAL AND THE CAR KEPT GOING. I CONTINUED TO PRESS IT AND THE CAR STARTED TO ACCELERATE, I COULD FEEL THE SURGE OF POWER
Owner report, NHTSA ODI #10627821

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Headlight and taillight failure

EXTERIOR LIGHTING

6 NHTSA complaints · 2016-02 → 2021-09

THE DRIVER SIDE HEADLIGHT, RUNNING HIGH BEAMS AND LOW BEAMS, HAVE STOPPED WORKING DESPITE CHANGING THE BULBS. IT SEEMS TO BE AN ISSUE WITH THE BALLAST GOING OUT AND/OR JUST NOT WORKING ANYMORE. THIS SEEMS LIKE A MAJOR SAFETY ISSUE
Owner report, NHTSA ODI #11281512
THE LOW LIGHT BEAMS ON THE CAR BURNOUT EVERY FEW WEEKS. IT MAKES IT VERY DIFFICULT AND UNSAFE TO DRIVE AT NIGHT. I WILL BUY A NEW BULB AND INSTALL IT AND THEN IT BURNS OUT IN A FEW DAYS OR A WEEK OR TWO LATER
Owner report, NHTSA ODI #11151007
I WAS DRIVING AT NIGHT ON BACK ROADS WHEN BOTH HEADLIGHTS WENT OUT. I STOPPED THE CAR, TURNED IT OFF AND RESTARTED IT TO SEE WHAT WOULD HAPPEN. THE LIGHTS DID NOT GO ON, HOWEVER, I FOUND THAT IF I HELD THE SWITCH UP AS THOUGH I WAS TURNING ON HIGH BEAMS, THE HIGH BEAMS WORKED
Owner report, NHTSA ODI #11047655

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Note: NHTSA also opened 1 defect investigation(s) on this vehicle that closed without action.

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 11, 2026. Investigation data refreshed Sep 11, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter

Every 5,000 mi

Replace 0W-20 full-synthetic oil and filter every 5,000 miles under Schedule 1, or 10,000 miles under Schedule 2. Toyota covers the first 2 oil changes through ToyotaCare.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 5,000 mi

Rotate tires every 5,000 miles. Toyota recommends rotation at every oil change to maximize tire life on FWD and AWD models.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 5,000 mi

Inspect brake pads, rotors, and parking brake every 5,000 miles. Toyota recommends measuring pad thickness at each service.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 30,000 mi

Replace DOT 3 brake fluid every 30,000 miles or 36 months. Critical for the integrity of the ABS, VSC, and brake assist systems.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Engine Air Filter

Every 30,000 mi

Replace the engine air filter every 30,000 miles. Earlier under Schedule 1 if driven on unpaved roads.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Automatic Transmission Fluid

Every 60,000 mi

Toyota labels ATF as 'lifetime fill' on most automatics, but recommends inspection and replacement every 60,000 miles under severe service. Use Toyota WS or Type-IV — no substitutes.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 120,000 mi

Toyota iridium-tipped spark plugs are rated for 120,000 miles. Earlier replacement reduces fuel economy and can cause misfires on direct-injection engines.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Super Long Life Coolant (SLLC)

Every 50,000 mi

Toyota SLLC (pink): first change at 100,000 miles, then every 50,000 miles. Do not substitute green or orange coolant — it will damage the cooling system seals.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 30,000 mi

Replace the cabin air filter every 30,000 miles, sooner in dusty climates. Located behind the glove box on most Toyota and Lexus models.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Serpentine / Drive Belt Inspection

Every 60,000 mi

Inspect the serpentine belt and tensioner every 60,000 miles. Toyota uses long-life EPDM belts that rarely fail before 100,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$195–$235

Shop

~$135–$165

DIY

~$20–$50

DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.

Timing Chain — No Replacement

On condition / lifetime

Toyota's 2AR-FE, 2GR-FKS, A25A-FKS, and most Toyota engines built since 2010 use a timing chain rated for the life of the engine. No scheduled replacement.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Pro only

Timing chains are normally lifetime. Listen for rattle on cold start — that's the actionable signal. Replacement is major work, quote separately.

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2014 Toyota Prius C reflects Toyota's published service intervals and the Maintenance Required Light system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.