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P0846 on NISSAN SENTRA

Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance

NHTSA Reports
3
Severity
Medium
Most Affected
2015, 2017, 2019
Crashes / Fires
0 / 0
Source: NHTSA Complaints Database · SAE J2012
Last reviewed: Last updated:

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

What P0846 Means on Your NISSAN SENTRA

P0846 is a diagnostic trouble code indicating: Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 NISSAN SENTRA owners have reported this issue to NHTSA across model years 2015-2019. Most reports come from the 2015, 2017 model years.

Real NISSAN SENTRA Owner Reports

Source: NHTSA Complaints Database

"My mass air flow sensor came on got that fix now it's alot codes comn up transmission fluid sensor p0846-p0965-p0846-p0965-p0846-p0965-p0101-p0747"

— 2015 NISSAN SENTRA owner · ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM · Filed 09/21/2019

"My car is an automatic 2017 with 58,000 miles. The car is having trouble shifting gears, trouble accelerating (it jerks and doesn’t speed up), leaks every fluid possible (oil, windshield wiper fluid, coolant), etc."

— 2017 NISSAN SENTRA owner · UNKNOWN OR OTHER,ENGINE · Filed 05/01/2025

"CVT Transmission cause car to lose power and driving pressure engine codes of P0846 & P0868 transmission fluid pressure & Low pressure to transmission"

— 2019 NISSAN SENTRA owner · POWER TRAIN · Filed 01/06/2024

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1
'15
1
'17
1
'19

Common Causes on NISSAN SENTRA

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM 33.3%
UNKNOWN or OTHER,ENGINE 33.3%
POWER TRAIN 33.3%

What To Do Next

  1. 1
    Check for recalls on YOUR VIN

    Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.

  2. 2
    Get a proper diagnosis

    A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.

  3. 3
    Compare repair quotes

    Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0846 mean on a NISSAN SENTRA? ▾
P0846 indicates: Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance. This is a transmission code. 3 NISSAN SENTRA owners have reported this to NHTSA.
What are the most common causes of P0846 on NISSAN SENTRA? ▾
Based on 3 NHTSA reports, the most commonly cited components are: Electrical System,Vehicle Speed Control,Fuel/Propulsion System, Unknown Or Other,Engine, Power Train. These percentages are based on the component field in owner complaints.
Is P0846 serious on my NISSAN SENTRA? ▾
Of 3 NHTSA reports for this code on NISSAN SENTRA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.
What should I do if my NISSAN SENTRA shows P0846? ▾
1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P0846 on Other Vehicles

→ All codes reported on NISSAN SENTRA