P2122 2017 Chevrolet Silverado Code - Accelerator Pedal Position Sensor 1 Circuit Low 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
- P2122 2017 Chevrolet Silverado indicates Accelerator Pedal Position Sensor 1 Circuit Low 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 P2122 2017 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 less than 0.46 V for less than 1 s.
What are the Possible Causes of the DTC P2122 2017 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 P2122 2017 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 P2122 2017 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 P2122 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P2122 on a 2017 Chevrolet Silverado?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into "limp mode."
2. What does OBDII code P2122 indicate in a 2017 Chevrolet Silverado?
- This code indicates a low voltage condition in the Accelerator Pedal Position Sensor 1 circuit.
3. What are the possible causes of OBDII code P2122 on a 2017 Chevrolet Silverado?
- Possible causes include a faulty accelerator pedal position sensor, damaged wiring or connectors in the sensor circuit, or issues with the vehicle's ECM.
4. How can I diagnose the OBDII code P2122 on my 2017 Chevrolet Silverado?
- Diagnose the code by checking the wiring and connectors for any damage, testing the accelerator pedal position sensor for proper operation, and scanning the ECM for related trouble codes.
5. Can I still drive my 2017 Chevrolet Silverado with OBDII code P2122?
- It is not recommended to drive the vehicle with this code as it can lead to safety issues due to reduced engine power and potential stalling.
6. How can I repair OBDII code P2122 on my 2017 Chevrolet Silverado?
- Repair options include replacing the accelerator pedal position sensor, repairing damaged wiring or connectors, or reprogramming the ECM if necessary.
7. Is it possible to reset OBDII code P2122 on a 2017 Chevrolet Silverado without repairs?
- While clearing the code may temporarily turn off the check engine light, the underlying issue causing the code will persist until properly diagnosed and repaired.
8. Will OBDII code P2122 on a 2017 Chevrolet Silverado cause permanent damage if ignored?
- Ignoring this code can potentially lead to more severe issues such as engine misfires, increased fuel consumption, and further damage to engine components over time.
9. How much does it typically cost to repair OBDII code P2122 on a 2017 Chevrolet Silverado?
- The cost of repairing this code can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.
10. Can a DIY enthusiast fix OBDII code P2122 on a 2017 Chevrolet Silverado?
- While some DIY enthusiasts may have the skills to diagnose and repair this code, it is recommended to consult a professional mechanic for accurate diagnosis and proper repair to ensure safety and reliability.
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