Free used car buyer guide / B17 / seventh generation / 2013-2019
Nissan Sentra common problems and best years
By BYBA Research - how we score cars
Updated 2026-06-12
BYBA Buy Score
7.1/10
1 walk-away risk, 1 serious fault, 6 minor faults documented for this generation, weighted by severity and repair cost. Biggest factor: cvt judder, p17f-series logic and low line pressure. Score methodology.
The 2013-2019 Sentra is cheap transportation, but the wrong CVT car can cost more than the car is worth in the first year. The serious traps are JF015E/JF016E CVT judder and low-pressure faults, 2016-2019 brake-light switch recall PM971, 2013-2016 OCS/seat-belt bracket recall exposure, rear-camera software on 2018-2019 cars, MR16DDT turbo abuse on SR Turbo/NISMO, weak engine mounts, front suspension noise, and low-rent charging/starting faults. The least risky Sentra is a 2017-2019 manual 1.8 or a late 1.8 CVT with documented fluid service and no P17F-series history. Owners should protect resale by proving brake-light recall completion and CVT service, because buyers now search those two items first.
Faults covered
8
Highest risk
CVT judder, P17F-series
Best years
2017-2019
Best buys
- 2017-2019 1.8 six-speed manual if you can find one in clean condition.
- 2018-2019 1.8 CVT with PM971 brake-switch recall closed and no TCM judder codes.
- 2017-2019 SR Turbo/NISMO manual only when clutch, boost behavior and maintenance history are strong.
Inspect hard
- 2013-2016 cars for OCS/seat-belt recall completion and early CVT wear.
- 2016-2019 cars for brake lights, no-start complaints and switch replacement paperwork.
- Turbo cars for modified intake/exhaust/tune, clutch slip and oil-change discipline.
Avoid
- P17F0, P17F1, P0868 or pressure-control codes in any CVT Sentra.
- Brake lights stuck off or on after the PM971 recall.
- SR Turbo/NISMO cars with boost modifications and no supporting service records.
Next checks
Before you contact the seller
Check the car's history first. Then bring the right tools if it still looks worth viewing.
Primary next step
Check history, title, and recall status
The faults above matter more if the car also has accident history, finance flags, missing service records, or open safety recalls.
Viewing kit
Bring the right tools
Four cheap tools catch most of the faults on this page at a Nissan Sentra viewing.
Printable workflow
Take the inspection pack
The PDF is the ordered checklist for the viewing: documents, walk-around, test drive, and scan.
Open PDF optionSome links here are partner links. If you buy through one, BYBA earns a commission. The price you pay does not change. How we make money.
Engines and trims
Which Nissan Sentra should you buy?
On most used cars, the engine and trim choice changes the risk more than the mileage does. Narrow this down before you start viewing cars.
MRA8DE 1.8 petrol with Xtronic CVT
2013-2019
CHEAP ONLY WITH CVT EVIDENCE
This is the Sentra most buyers will see. The engine is plain and economical, but the CVT decides the purchase. Smooth operation, clean TCM data and fluid proof are worth more than trim level.
MRA8DE 1.8 petrol with six-speed manual
2013-2019 limited availability
BEST MECHANICAL BET
The manual removes the B17's main expensive failure point. It is slower and less common, but a clean manual Sentra is the most honest version of this generation.
MR16DDT 1.6 turbo with manual or CVT
2017-2019 SR Turbo / NISMO
FUN, NOT THE SAFE SENTRA
The turbo engine gives the Sentra real pace but adds heat, boost control, clutch and modification risk. The manual is preferable; the CVT turbo is for buyers who can tolerate more drivetrain uncertainty.
Year notes
Year-by-year buyer advice
Use this to narrow the search before you spend time travelling to view a car.
2013
B17 launch year in North America with 1.8 engine, CVT or manual, and early OCS recall exposure.
Buyer: Only consider a 2013 if it is very clean, manual, or has unusually strong CVT records.
Owner: Keep OCS recall proof and do not ignore early CVT shudder because the car's value is low.
2014
Carryover year with similar drivetrain and OCS concern.
Buyer: Price matters, but a cheap 2014 with no CVT records is not a bargain.
Owner: Document fluid service now; age is making paperwork more valuable than accessories.
2015
Pre-facelift production continued before the later brake-switch population.
Buyer: Look hard at mounts, suspension noise and CVT smoothness. Cosmetic wear is secondary.
Owner: Fix vibration sources early so they are not confused with transmission judder.
2016
Facelift era began, and 2016 cars later entered the PM971 brake-light switch recall population.
Buyer: Check both CVT behavior and brake-light operation. A no-start complaint can trace back to the switch.
Owner: Complete PM971 and save the letter; brake-switch recalls are easy for buyers to verify.
2017
SR Turbo and NISMO variants arrived, adding MR16DDT turbo power to the lineup.
Buyer: Manual turbo cars are interesting; CVT turbo cars need extra caution and no modifications.
Owner: Turbo owners should shorten oil intervals and keep the intake/boost system stock unless tuned properly.
2018
Late B17 production with backup-camera recall exposure and continued brake-switch population.
Buyer: A clean 2018 manual or well-serviced CVT is a decent budget compact. Verify camera software.
Owner: Keep recall completion and fluid records in one folder; they answer most buyer objections.
2019
Final B17 model year before the redesigned 2020 Sentra.
Buyer: Best year for age, but not immune to brake-switch and CVT faults. Do not pay final-year money for a rough one.
Owner: Before selling, scan the TCM and close PM971 so the car does not look neglected.
Common problems
Faults to check before buying
What fails, what it looks like, what it costs, and the quick checks you can do at the viewing - ranked by how badly each one can hurt you.
Fault 1
CVT judder, P17F-series logic and low line pressure
Affects
2013-2019 Sentra 1.8 CVT; turbo CVT cars need extra caution.
Symptoms
Shudder, drone, delayed engagement, weak acceleration, limp behavior, transmission whine.
Typical repair cost
USD 220-550 fluid/scan; USD 900-1,800 valve body; USD 3,500-6,500 replacement CVT.
Codes / scan clues
P17F0, P17F1, P17F2, P17F3, P17F4, P0868, P0841.
Root cause: CVT belt/pulley and hydraulic pressure control wear; Nissan diagnostic logic was updated to detect judder codes.
Quick check
- Scan the TCM, not just the engine computer.
- Drive slowly from 10-45 mph and feel for repeated bumps.
- Hot-soak the car, then test Drive and Reverse engagement.
- Check fluid records and reject generic-fluid stories.
Buyer note
The transmission is the Sentra's price-setting component; a bad one wipes out the cheap-purchase advantage.
Owner note
A smooth CVT with records is marketable. A hidden P17F code is the problem buyers are looking for.
Fault 2
PM971 brake-light switch contamination
Affects
2016-2019 Sentra.
Symptoms
Brake lights fail to illuminate, brake lights stay on, no-start, shift interlock trouble or ABS/traction warnings.
Typical repair cost
USD 0 under recall; USD 100-300 switch/stopper repair outside campaign.
Codes / scan clues
Brake switch, ABS/VDC and shift-interlock codes vary.
Root cause: Silicone-based grease contamination can affect the brake-light switch, causing rear brake lights not to operate correctly.
Quick check
- Run VIN for NHTSA 21V135 / Nissan PM971.
- Have someone confirm both brake lights and center lamp.
- Check that the car starts and shifts out of Park consistently.
- Inspect for improvised pedal stopper repairs.
Buyer note
A recall switch is minor, but a Sentra with brake lights that do not work is not road-ready.
Owner note
Complete PM971 even if the lights seem fine; the failure may be intermittent.
Fault 3
Passenger airbag OCS / seat-belt bracket recall
Affects
2013-2016 Sentra and related Nissan OCS campaign population.
Symptoms
Passenger airbag OFF with adult passenger, SRS lamp, seat-belt or buckle warnings.
Typical repair cost
USD 0 under recall; USD 500-1,500 OCS/seat repair if outside recall or damaged.
Codes / scan clues
SRS/OCS codes.
Root cause: OCS software/seat hardware can misclassify occupants; seat-belt bracket recall work also affects airbag-system trust.
Quick check
- Check recall status for OCS and seat-belt related actions.
- Test passenger indicator with an adult in the seat.
- Inspect under-seat wiring and seat frame for damage.
- Avoid cars with tampered SRS bulbs or cleared lights.
Buyer note
A compact sedan is often bought for commuting and family errands; airbag uncertainty is not acceptable.
Owner note
Do not fit seat covers or under-seat accessories that disturb OCS wiring.
Fault 4
Rear-view camera software recall
Affects
2018-2019 Sentra with affected display software under 19V654.
Symptoms
Backup camera disabled by settings, image remains blank, delayed image, recall open.
Typical repair cost
USD 0 recall; USD 150-450 diagnosis if head unit has been modified.
Codes / scan clues
Usually none.
Root cause: Software could allow rear-camera image settings inconsistent with visibility requirements.
Quick check
- Run VIN for 19V654.
- Shift into Reverse several times.
- Change camera/display settings and confirm image returns.
- Check for aftermarket stereo wiring.
Buyer note
Simple when stock; annoying when a previous owner has hacked the audio system.
Owner note
Close the recall and avoid settings workarounds that hide the camera.
Fault 5
MR16DDT turbo abuse, clutch slip and boost-control faults
Affects
2017-2019 SR Turbo and NISMO, especially modified cars.
Symptoms
Clutch flare, boost cut, misfire under load, oil smell, rattles, uneven idle.
Typical repair cost
USD 600-1,500 clutch; USD 500-1,800 turbo/boost diagnosis; USD 2,000+ abused drivetrain repairs.
Codes / scan clues
P0300, boost control, MAF and fuel trim codes.
Root cause: The turbo Sentra runs hotter and is more often modified; poor tuning and skipped oil service shorten turbo and clutch life.
Quick check
- Inspect intake, exhaust, diverter valve and ECU-tune evidence.
- Test clutch slip in a high gear at moderate rpm.
- Scan fuel trims and misfire history.
- Check oil-change frequency and correct oil spec.
Buyer note
A stock manual turbo can be enjoyable; a modified CVT turbo is usually the wrong cheap performance car.
Owner note
Keep the car stock or document the tune properly. Mystery boost parts hurt resale.
Fault 6
Engine mount collapse and vibration mistaken for CVT shudder
Affects
2013-2019 1.8 and turbo Sentra.
Symptoms
Vibration at idle, clunk on takeoff, engine movement, harshness in Drive.
Typical repair cost
USD 250-900 depending on mount count and labor.
Codes / scan clues
Usually none.
Root cause: Soft mounts age, leak or collapse; the vibration can mask or imitate drivetrain faults.
Quick check
- Watch engine movement while shifting from Park to Drive and Reverse with brake applied.
- Inspect mounts for cracking or fluid leakage.
- Separate idle vibration from road-speed CVT judder.
- Check for exhaust contact after mount failure.
Buyer note
Mounts are negotiable; mounts plus CVT shudder are a different problem.
Owner note
Fix mounts before diagnosing subtle transmission feel.
Fault 7
Front suspension clunks, struts and control-arm wear
Affects
2013-2019 Sentra, worse on rough-road and city cars.
Symptoms
Clunk over bumps, wandering, uneven tires, loose steering feel, front-end knock.
Typical repair cost
USD 300-900 struts/links; USD 500-1,200 control arms and alignment.
Codes / scan clues
None.
Root cause: Budget suspension hardware wears with potholes and age; worn front parts make the car feel worse than it is.
Quick check
- Drive over small sharp bumps with windows down.
- Inspect lower control-arm bushings and ball joints.
- Check tire edges for alignment wear.
- Brake gently over uneven road to expose clunks.
Buyer note
Suspension repairs are acceptable only when the CVT and safety recalls are clean.
Owner note
Replace worn front parts before tires are ruined.
Fault 8
Charging, battery and no-start complaints tied to brake switch or low voltage
Affects
2013-2019 Sentra; 2016-2019 brake-switch cars need recall status checked first.
Symptoms
No-start, intermittent start button response, dead battery, brake lights on overnight, warning lights after jump start.
Typical repair cost
USD 120-350 battery/switch diagnosis; USD 400-900 alternator or starter work if confirmed.
Codes / scan clues
Low-voltage, brake switch and BCM codes.
Root cause: Weak batteries and switch faults create cascading warnings; PM971 cars can mimic larger electrical faults.
Quick check
- Test battery and charging voltage.
- Confirm brake lights switch off when parked.
- Scan BCM after a no-start complaint.
- Verify PM971 completion on 2016-2019 cars.
Buyer note
Do not buy a Sentra with mystery starting behavior until the brake switch and battery test clean.
Owner note
A fresh battery will not fix a brake-light switch that keeps waking the car.
Inspection pack
Printable checklist for the viewing
The free page helps you decide whether the car is worth seeing. The paid guide is the ordered, printable checklist you use at the car.
Documents
- Recall printout for PM971, OCS/seat-belt actions and rear-camera recall.
- CVT fluid invoices or clutch records for manual/turbo cars.
- Turbo maintenance history if SR Turbo or NISMO.
- Battery/charging invoices if seller mentions no-start trouble.
Walk around
- Check tire wear for front alignment or worn control arms.
- Inspect turbo cars for intake, exhaust and tune evidence.
- Verify all brake lights with a helper.
- Look under front bumper for curb damage.
In the car
- Watch passenger-airbag indicator with an adult in the seat.
- Confirm shift interlock and start behavior.
- Cycle the backup camera on 2018-2019 cars.
- Check SRS, ABS and traction lights prove out and clear.
Test drive
- Cold test Drive and Reverse engagement on CVT cars.
- Listen for front clunks over potholes.
- Manual turbo: test clutch slip and boost delivery.
- CVT: light-throttle 15-45 mph judder test.
Scan tool
- Read TCM codes and CVT judder logic.
- Read SRS/OCS modules.
- Check BCM/brake-switch data.
- On turbo cars, read fuel trims and misfire counters.
Bottom line
Buy: Buy the cleanest manual 1.8 you can find, or a late CVT car with PM971 closed, clear TCM data and real fluid records.
Avoid: Avoid CVT cars with P17F data, turbo cars with unknown modifications, and any Sentra where brake lights or passenger airbag logic cannot be proven.
Quick answers
Nissan Sentra buyer questions
The short versions of what this page answers in full.
What are the most common Nissan Sentra 2013-2019 problems?
The highest-impact documented faults are: CVT judder, P17F-series logic and low line pressure; PM971 brake-light switch contamination; Passenger airbag OCS / seat-belt bracket recall. This guide covers 8 faults in total, each with symptoms, typical repair costs, and checks you can do at a viewing.
Which Nissan Sentra years are the best to buy?
2017-2019 stand out in this generation. Buy the cleanest manual 1.8 you can find, or a late CVT car with PM971 closed, clear TCM data and real fluid records.
Which Nissan Sentra should I avoid?
Avoid CVT cars with P17F data, turbo cars with unknown modifications, and any Sentra where brake lights or passenger airbag logic cannot be proven.
Is the Nissan Sentra 2013-2019 a reliable used buy?
BYBA scores it 7.1/10 (buy with checks). 1 walk-away risk, 1 serious fault, 6 minor faults documented for this generation, weighted by severity and repair cost. Biggest factor: cvt judder, p17f-series logic and low line pressure.
Get updates when this guide changes
Recalls get added, repair costs shift, and new fault patterns show up in the data. Leave an email and we'll tell you when the Nissan Sentra guide gets a meaningful revision. Nothing else, no selling your address.
Research basis
- tsbsearch.com: NTB18-058F
- oemdtc.com: 10162641
- nissan.oemdtc.com
- consumerreports.org: nissan-recalls-sentra-due-to-brake-lights-a1141666587
- vehiclesafetyhub.com: 2019
- go-parts.com: seat-belt-assembly-nissan-sentra-2013-2019-2
- time.com: nissan-airbag-recalls
- api.nhtsa.gov: recallsByVehicle
- Reddit owner report P17F0 on 2019 Sentra
- NHTSA recalls API, 2013 Sentra
- NHTSA recall lookup
- Nissan Sentra model overview including SR Turbo/NISMO
- NHTSA complaints API, 2017 Sentra
- RepairPal Nissan Sentra reliability data
- CarComplaints Sentra problem index
- NHTSA complaints API, 2016 Sentra
- NHTSA complaints API, 2015 Sentra
- Newsweek Sentra recall report
- NHTSA complaints API, 2019 Sentra