P0339 on Jeep Patriot
Crankshaft Position Sensor A Circuit Intermittent
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Jeep Patriot context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0339.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
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 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.
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."
"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."
"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."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Jeep Patriot
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.