P0520 on JEEP WRANGLER — Engine Oil Pressure Sensor/Switch A Circuit

Q: "What does P0520 mean on a JEEP WRANGLER?"

"P0520 indicates: Engine Oil Pressure Sensor/Switch A Circuit. This is a vehicle speed and idle control code. 3 JEEP WRANGLER owners have reported this to NHTSA."

Q: "What are the most common causes of P0520 on JEEP WRANGLER?"

"Based on 3 NHTSA reports, the most commonly cited components are: Engine, Electrical System, Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0520 serious on my JEEP WRANGLER?"

"Of 3 NHTSA reports for this code on JEEP WRANGLER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my JEEP WRANGLER shows P0520?"

"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."

What P0520 Means on Your JEEP WRANGLER

P0520 is a diagnostic trouble code indicating: Engine Oil Pressure Sensor/Switch A Circuit. This code relates to the vehicle speed and idle control system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 JEEP WRANGLER owners have reported this issue to NHTSA across model years 2013-2014. Most reports come from the 2014, 2013 model years.

Real JEEP WRANGLER Owner Reports

Source: NHTSA Complaints Database

"My check engine light illuminated and the engine was running rough, possible loss of power. per jeep / chrysler / dodge / ram / mopar technical service bulletin 18-034-14 rev."

— 2013 JEEP WRANGLER owner · ENGINE · Filed 11/05/2016

"Vehicle showing cel (check engine light) with no performance issues noted. code read and shows p0520 related to the oil pressure sensor switch. after reviewing forums, determined that a tsb exists but no recall although the design of the unit has been changed due to defect."

— 2014 JEEP WRANGLER owner · ELECTRICAL SYSTEM · Filed 01/01/2020

"P0520 - engine oil pressure sensor circuit. tsb- 18-034-14 rev.a issued: 07/15/147 there has been problems with the sensor for years, multiple forums with complaints related to this issue in not only jeep, but many chrysler 3.6 liter engines."

— 2014 JEEP WRANGLER owner · FUEL/PROPULSION SYSTEM · Filed 09/07/2018

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

📊 Complaint Trend by Model Year

1

'13

2

'14

Common Causes on JEEP WRANGLER

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 33.3%

ELECTRICAL SYSTEM 33.3%

FUEL/PROPULSION SYSTEM 33.3%

What To Do Next

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
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
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 P0520 mean on a JEEP WRANGLER? ▾

P0520 indicates: Engine Oil Pressure Sensor/Switch A Circuit. This is a vehicle speed and idle control code. 3 JEEP WRANGLER owners have reported this to NHTSA.

What are the most common causes of P0520 on JEEP WRANGLER? ▾

Based on 3 NHTSA reports, the most commonly cited components are: Engine, Electrical System, Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0520 serious on my JEEP WRANGLER? ▾

Of 3 NHTSA reports for this code on JEEP WRANGLER, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my JEEP WRANGLER shows P0520? ▾

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.

P0520 on Other Vehicles

→ All codes reported on JEEP WRANGLER