P203E Dodge Code - Reductant Level Sensor Circuit Intermittent/Erratic
Quick Answer
The P203E diagnostic trouble code for Dodge vehicles refers to the Reductant Level Sensor Circuit Intermittent/Erratic. Common causes include Faulty reductant level sensor, Wiring or connection issues in the sensor circuit, Corrosion or contamination in the sensor or wiring. 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
- P203E Dodge indicates Reductant Level Sensor Circuit Intermittent/Erratic.
- Common causes
- Common causes include Faulty reductant level sensor, Wiring or connection issues in the sensor circuit, Corrosion or contamination in the sensor or wiring.
- 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.
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Code P203E Dodge Description
The P203E diagnostic trouble code for Dodge vehicles refers to the Reductant Level Sensor Circuit Intermittent/Erratic. This code indicates that there is a problem with the reductant level sensor circuit, which is responsible for monitoring the level of diesel exhaust fluid (DEF) in the vehicle's selective catalytic reduction (SCR) system. The SCR system uses DEF to reduce harmful emissions by converting nitrogen oxides into harmless nitrogen and water vapor.
Common Causes of P203E Dodge
- Faulty reductant level sensor
- Wiring or connection issues in the sensor circuit
- Corrosion or contamination in the sensor or wiring
- ECM software glitches or malfunctions
- DEF contamination or quality issues
Symptoms of P203E Dodge
- Check engine light is illuminated
- Reduced fuel efficiency
- Engine performance issues, such as hesitation or rough idling
- Failed emissions testing
- DEF warning light on the dashboard
How to Fix P203E Dodge
- Diagnose the specific cause of the issue by checking the reductant level sensor, wiring, and connections for any signs of damage or malfunction.
- Replace the faulty reductant level sensor if it is determined to be the cause of the problem.
- Repair or replace any damaged wiring or connections in the sensor circuit.
- Clear the diagnostic trouble codes from the ECM and perform a test drive to ensure the issue has been resolved.
- Refill the DEF tank with high-quality DEF to ensure proper functioning of the SCR system.
Cost to Fix P203E Dodge
The typical repair costs for addressing the P203E code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of replacing a reductant level sensor and addressing any wiring or connection issues can range from $200 to $500, including parts and labor. However, it's important to note that labor rates can vary between $80 and $150 per hour, and rates may be higher at dealerships or in metropolitan areas. It's recommended to obtain a detailed estimate from a local auto repair shop for a more accurate cost assessment.
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