P2123 2015 Chevrolet Silverado Code - Accelerator Pedal Position Sensor 1 Circuit High Voltage
Quick Answer
The Accelerator Pedal Assembly contains 2 Accelerator Pedal Position (APP) sensors. Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position 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
- P2123 2015 Chevrolet Silverado indicates Accelerator Pedal Position Sensor 1 Circuit High Voltage.
- Common causes
- Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position 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.
Code P2123 2015 Chevrolet Silverado Description
Both the APP sensors 1 and 2 signal percentages increase as the pedal is depressed, from approximately 0 percent at rest to above 95 percent when fully depressed.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the APP sensor 1 voltage is greater than 4.75 V for less than 1 s.
What are the Possible Causes of the DTC P2123 2015 Chevrolet Silverado?
- Faulty Accelerator Pedal Position Sensor
- Accelerator Pedal Position Sensor harness is open or shorted
- Accelerator Pedal Position Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2123 2015 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2123 2015 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2123 2015 Chevrolet Silverado Code
1. What are common symptoms of OBDII code P2123 on a 2015 Chevrolet Silverado?
- Common symptoms include the Check Engine light illuminated, reduced engine power, and issues with acceleration.
2. What does OBDII code P2123 indicate in a 2015 Chevrolet Silverado?
- OBDII code P2123 indicates an issue with the Accelerator Pedal Position Sensor 1 Circuit registering high voltage.
3. What are potential causes of OBDII code P2123 on a 2015 Chevrolet Silverado?
- Potential causes include a faulty accelerator pedal position sensor, damaged wiring or connectors, or issues with the engine control module.
4. How can I diagnose the cause of OBDII code P2123 on my 2015 Chevrolet Silverado?
- Diagnose by checking the accelerator pedal sensor's wiring and connectors, testing the sensor's voltage output, and scanning for any other related trouble codes.
5. Can driving with OBDII code P2123 on a 2015 Chevrolet Silverado cause further damage?
- Continuing to drive with code P2123 can lead to reduced engine performance and potentially cause damage to other components over time.
6. Is it safe to continue driving my 2015 Chevrolet Silverado with OBDII code P2123?
- It is not recommended to continue driving with OBDII code P2123 as it may result in unsafe driving conditions and further damage to the vehicle.
7. How can I repair OBDII code P2123 on a 2015 Chevrolet Silverado?
- Repair options include replacing the accelerator pedal position sensor, repairing any damaged wiring or connectors, or reprogramming the engine control module.
8. Are there any DIY tips for troubleshooting OBDII code P2123 on a 2015 Chevrolet Silverado?
- DIY tips include visually inspecting wiring and connectors, checking sensor voltages with a multimeter, and consulting the vehicle's service manual for specific diagnostics.
9. Can a faulty accelerator pedal position sensor cause OBDII code P2123 on a 2015 Chevrolet Silverado?
- Yes, a faulty accelerator pedal position sensor is a common cause of OBDII code P2123 as it may send high voltage signals to the engine control module.
10. How long does it typically take to repair OBDII code P2123 on a 2015 Chevrolet Silverado?
- The repair time for OBDII code P2123 can vary depending on the exact cause, but it may take anywhere from 1-3 hours at a repair shop.
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