Engine-CodesScion – P0339 Scion

P0339 Scion Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Quick Answer

The P0339 diagnostic trouble code (DTC) for Scion vehicles indicates a problem with the Crankshaft Position Sensor 'A' Circuit that is intermittent. Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the sensor circuit, Poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0339 Scion indicates Crankshaft Position Sensor 'A' Circuit Intermittent.
Common causes
Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the sensor circuit, Poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0339 Scion Description

The P0339 diagnostic trouble code (DTC) for Scion vehicles indicates a problem with the Crankshaft Position Sensor 'A' Circuit that is intermittent. The crankshaft position sensor is a crucial component of the engine management system, as it provides the engine control module (ECM) with information about the position of the crankshaft, which helps determine ignition timing, fuel injection, and other engine functions.

OBDII Code P0339 Scion - Crankshaft Position Sensor 'A' Circuit Intermittent
P0339 Scion Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Common Causes of P0339 Scion

  1. Faulty crankshaft position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Poor electrical connection
  4. ECM malfunction
  5. Timing belt or chain issues

Symptoms of P0339 Scion

  1. Engine misfires
  2. Rough idling
  3. Stalling
  4. Reduced engine performance
  5. Engine may not start

How to Fix P0339 Scion

  1. Begin by diagnosing the issue using a scan tool to read the DTC and monitor the sensor's output.
  2. Inspect the wiring and connectors for any damage or corrosion and repair or replace as necessary.
  3. Test the crankshaft position sensor's resistance and output voltage to determine if it is functioning correctly.
  4. If the sensor is faulty, replace it with a new one and ensure proper installation and alignment.
  5. Clear the DTC and perform a road test to verify that the issue has been resolved.

Cost to Fix P0339 Scion

The cost of repairing a P0339 DTC on a Scion vehicle can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing a crankshaft position sensor can cost between $100 and $300, including parts and labor. However, if the problem is related to wiring or connector issues, the cost may be higher due to the additional labor involved in diagnosing and repairing the problem. It's recommended to get a few quotes from local auto repair shops to get a more accurate estimate for your specific situation.

Tech Notes for P0339 Scion

Sometimes and in some models, low battery voltage or a weak starter can trigger a Crankshaft Position Sensor code. Before replacing any parts, recharge or replace the battery.

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Information for Specific Scion Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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