P0339 on JEEP PATRIOT — Crankshaft Position Sensor A Circuit Intermittent

Q: "What does P0339 mean on a JEEP PATRIOT?"

"P0339 indicates: Crankshaft Position Sensor A Circuit Intermittent. This is a ignition system code. 3 JEEP PATRIOT owners have reported this to NHTSA."

Q: "What are the most common causes of P0339 on JEEP PATRIOT?"

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

Q: "Is P0339 serious on my JEEP PATRIOT?"

"Of 3 NHTSA reports for this code on JEEP PATRIOT, 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 PATRIOT shows P0339?"

"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 P0339 Means on Your JEEP PATRIOT

P0339 is a diagnostic trouble code indicating: Crankshaft Position Sensor A Circuit Intermittent. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 JEEP PATRIOT owners have reported this issue to NHTSA across model years 2012-2016. Most reports come from the 2012, 2015 model years.

Real JEEP PATRIOT Owner Reports

Source: NHTSA Complaints Database

"On my way to work, my car stalled 3 times while at a stop light and once while moving. after the moving stall, my engine light came on. the error code is p0339. it also stalled twice on my way home from work."

— 2012 JEEP PATRIOT owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 03/20/2019

"Over the past year, the car has had 4 crank position sensors, new pig tails/connectors on the wire harness, a new throttle body, and a new MCM. The Jeep will randomly shut off without warning either at stoplights/traffic or on the highway at speed."

— 2015 JEEP PATRIOT owner · ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ENGINE · Filed 09/26/2023

"My Jeep began having a few second stall and restart while driving randomly late 2020. I’m the last 6 months it stalls for longer periods of time but I initially was able to put it in neutral and restart it."

— 2016 JEEP PATRIOT owner · ELECTRICAL SYSTEM · Filed 06/14/2023

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

📊 Complaint Trend by Model Year

1

'12

1

'15

1

'16

Common Causes on JEEP PATRIOT

Based on NHTSA complaint component analysis for this vehicle.

ENGINE,FUEL/PROPULSION SYSTEM 33.3%

ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ENGINE 33.3%

ELECTRICAL 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 P0339 mean on a JEEP PATRIOT? ▾

P0339 indicates: Crankshaft Position Sensor A Circuit Intermittent. This is a ignition system code. 3 JEEP PATRIOT owners have reported this to NHTSA.

What are the most common causes of P0339 on JEEP PATRIOT? ▾

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

Is P0339 serious on my JEEP PATRIOT? ▾

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

What should I do if my JEEP PATRIOT shows P0339? ▾

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.

P0339 on Other Vehicles

→ All codes reported on JEEP PATRIOT