P2122 2016 GMC Sierra 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 2016 GMC Sierra 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 2016 GMC Sierra 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 2016 GMC Sierra?
- 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 2016 GMC Sierra?
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 2016 GMC Sierra 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.
Need more information about the P2122 2016 GMC Sierra code?
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Frequently Asked Questions about P2122 2016 GMC Sierra Code
1. What are the common symptoms of OBDII code P2122 in a 2016 GMC Sierra?
The common symptoms of OBDII code P2122 in a 2016 GMC Sierra include reduced engine power, hesitation or stalling when accelerating, and the illumination of the Check Engine Light.
2. What does the OBDII code P2122 in a 2016 GMC Sierra indicate?
OBDII code P2122 in a 2016 GMC Sierra indicates a low voltage condition in the Accelerator Pedal Position Sensor 1 Circuit.
3. What are the potential causes of OBDII code P2122 in a 2016 GMC Sierra?
The potential causes of OBDII code P2122 in a 2016 GMC Sierra include a faulty accelerator pedal position sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module.
4. How can I diagnose the cause of OBDII code P2122 in my 2016 GMC Sierra?
To diagnose the cause of OBDII code P2122 in a 2016 GMC Sierra, you can use a scan tool to check for related trouble codes, inspect the accelerator pedal position sensor and its wiring for damage, and perform voltage tests on the sensor circuit.
5. Can I still drive my 2016 GMC Sierra with OBDII code P2122?
It is not recommended to drive your 2016 GMC Sierra with OBDII code P2122, as it can lead to unsafe driving conditions due to reduced engine power and potential stalling.
6. How can I repair OBDII code P2122 in my 2016 GMC Sierra?
To repair OBDII code P2122 in a 2016 GMC Sierra, you may need to replace the accelerator pedal position sensor, repair any damaged wiring or connectors in the sensor circuit, or reprogram the engine control module.
7. Is it possible to reset OBDII code P2122 in a 2016 GMC Sierra by disconnecting the battery?
Disconnecting the battery may temporarily clear the OBDII code P2122 in a 2016 GMC Sierra, but it is not a recommended long-term solution. It is best to diagnose and repair the underlying issue causing the code.
8. Can a DIY enthusiast fix OBDII code P2122 in a 2016 GMC Sierra?
Depending on their skill level and access to tools, a DIY enthusiast may be able to fix OBDII code P2122 in a 2016 GMC Sierra by following detailed repair guides and being cautious with electrical components.
9. How much does it cost to repair OBDII code P2122 in a 2016 GMC Sierra at a professional mechanic?
The cost to repair OBDII code P2122 in a 2016 GMC Sierra at a professional mechanic can vary based on the specific issue, but it typically ranges from $200 to $500, including parts and labor.
10. How urgent is it to address OBDII code P2122 in a 2016 GMC Sierra?
It is important to address OBDII code P2122 in a 2016 GMC Sierra promptly to prevent further engine performance issues and potential safety hazards while driving.
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