Jeep Error Code P0339: How to Fix It

Q: Can I drive my Jeep with error code P0339?

You should avoid driving with P0339 as the intermittent crankshaft sensor can cause sudden stalling, which is dangerous. If you must drive, do so cautiously and get it repaired immediately.

Q: How much does it cost to fix P0339 on a Jeep?

DIY repair costs $30-80 for a new sensor. Professional repair typically costs $150-300 including parts and labor, depending on your Jeep model and local labor rates.

Q: What causes P0339 error code in Jeep vehicles?

Common causes include a failing crankshaft position sensor, damaged wiring harness, corroded connections, improper sensor gap, or debris on the reluctor wheel.

Q: How do I know if my crankshaft position sensor is bad?

Symptoms include intermittent stalling, rough idle, hard starting, engine misfires, and the check engine light. You may also experience complete no-start conditions.

Q: Will P0339 cause my Jeep to fail emissions testing?

Yes, any active check engine light will cause your vehicle to fail emissions testing. The P0339 code must be repaired and cleared before testing.

Abstract

Jeep error code P0339 indicates an intermittent problem with the crankshaft position sensor A circuit. This sensor tells your engine computer when to fire the spark plugs and fuel injectors, so when it fails intermittently, you may experience stalling, rough idle, or no-start conditions.