P2139 Code - Throttle/Pedal Position Sensor/Switch 'D'/'F' Voltage Correlation
Quick Answer
The P2139 diagnostic trouble code refers to an issue with the Throttle/Pedal Position Sensor/Switch 'D'/'F' Voltage Correlation. Common causes include Faulty throttle position sensor, Faulty pedal position sensor, Wiring issues or loose connections. 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
- P2139 indicates Throttle/Pedal Position Sensor/Switch 'D'/'F' Voltage Correlation.
- Common causes
- Common causes include Faulty throttle position sensor, Faulty pedal position sensor, Wiring issues or loose connections.
- 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 P2139 Description
The P2139 diagnostic trouble code refers to an issue with the Throttle/Pedal Position Sensor/Switch 'D'/'F' Voltage Correlation. This code indicates that there is a discrepancy between the voltage signals from the throttle position sensor and the pedal position sensor. These sensors are crucial components of the vehicle's electronic throttle control system, which regulates the amount of air entering the engine to control acceleration.
Common Causes of P2139
- Faulty throttle position sensor
- Faulty pedal position sensor
- Wiring issues or loose connections
- Electronic throttle control module malfunction
- Corrosion or damage to sensor connectors
Symptoms of P2139
- Engine hesitation or lack of power
- Rough idling or stalling
- Unresponsive accelerator pedal
- Limp mode activation
- Check Engine Light illuminated on the dashboard
How to Fix P2139
- Diagnose the issue using a scan tool to pinpoint the exact cause of the voltage correlation problem.
- Inspect the throttle position sensor, pedal position sensor, and wiring harness for any signs of damage or corrosion.
- Test the sensors and wiring for proper voltage and continuity to ensure they are functioning correctly.
- Replace any faulty sensors, repair damaged wiring, and reset the electronic throttle control module if necessary.
- Clear the diagnostic trouble codes and test drive the vehicle to confirm that the issue has been resolved.
Cost to Fix P2139
The typical repair costs for addressing a P2139 code can vary depending on the specific cause of the issue. In general, replacing a faulty sensor or repairing wiring issues can range from $200 to $500, including parts and labor. However, it's essential to note that the actual cost can be higher or lower based on the vehicle's make and model, the location of the repair shop, and the extent of the repairs needed. Additionally, diagnostic time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. It's recommended to obtain a detailed estimate from a qualified technician to get a more accurate understanding of the repair costs.
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Code P2139 Information for Specific Makes
- P2139 Dodge — Throttle/Pedal Position Sensor/Switch 'D'/'F' Voltage Correlation
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