P2123 Lincoln Code - Throttle/Pedal Position Sensor/Switch 'D' Circuit High
Quick Answer
The OBD-II trouble code P2123 for Lincoln vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch 'D' Circuit High. Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning accelerator pedal position sensor. 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
- P2123 Lincoln indicates Throttle/Pedal Position Sensor/Switch 'D' Circuit High.
- Common causes
- Common causes include Faulty throttle position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning accelerator pedal position sensor.
- 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 P2123 Lincoln Description
The OBD-II trouble code P2123 for Lincoln vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch 'D' Circuit High. This code specifically points to a problem in the electrical circuit that controls the throttle or pedal position sensor, resulting in a higher than expected voltage reading. The throttle position sensor (TPS) and pedal position sensor (APP) are crucial components that monitor the position of the throttle or accelerator pedal and communicate this information to the engine control module (ECM). This data is used by the ECM to adjust fuel delivery and ignition timing, ensuring optimal engine performance and efficiency.
Common Causes of P2123 Lincoln
- Faulty throttle position sensor
- Damaged wiring or connectors in the sensor circuit
- Malfunctioning accelerator pedal position sensor
- Issues with the ECM
- Corrosion or contamination in the sensor components
Symptoms of P2123 Lincoln
- Reduced engine power
- Hesitation or surging during acceleration
- Rough idling or stalling
- Poor fuel economy
- Illuminated Check Engine Light
How to Fix P2123 Lincoln
- Perform a comprehensive diagnostic scan to retrieve the trouble code and pinpoint the exact cause of the issue.
- Inspect the throttle position sensor, accelerator pedal position sensor, wiring, and connectors for any signs of damage or corrosion.
- Test the sensor circuit for proper voltage and resistance values to determine if the sensors are functioning correctly.
- Replace any faulty sensors, repair damaged wiring or connectors, and clear the trouble code from the ECM memory.
- Perform a final test drive to ensure that the issue has been resolved and that the vehicle is operating properly.
Cost to Fix P2123 Lincoln
The typical repair costs for addressing the P2123 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a faulty throttle position sensor or accelerator pedal position sensor can range from $100 to $300 for parts, with additional costs for labor. The total repair cost, including diagnostics, parts, and labor, can range from $200 to $500 or more. It's important to note that labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type, so it's advisable to check local rates for a more accurate estimate.
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