P2128 2016 Chevrolet Silverado Code - Accelerator Pedal Position Sensor 2 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
- P2128 2016 Chevrolet Silverado indicates Accelerator Pedal Position Sensor 2 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 P2128 2016 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 2 voltage is greater than 2.6 V for less than 1 s.
What are the Possible Causes of the DTC P2128 2016 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 P2128 2016 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 P2128 2016 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.
Need more information about the P2128 2016 Chevrolet Silverado code?
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Frequently Asked Questions about P2128 2016 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P2128 in a 2016 Chevrolet Silverado?
The common symptoms of code P2128 include the Check Engine Light being illuminated on the dashboard, reduced engine power, and potential issues with acceleration.
2. What does the OBDII code P2128 in a 2016 Chevrolet Silverado indicate?
Code P2128 specifically points to a fault in the Accelerator Pedal Position Sensor 2 Circuit, indicating a high voltage condition.
3. What are the possible causes of OBDII code P2128 in a 2016 Chevrolet Silverado?
Potential causes of code P2128 include a faulty accelerator pedal position sensor, wiring or connector issues, a malfunctioning throttle body, or problems with the engine control module.
4. How serious is OBDII code P2128 in a 2016 Chevrolet Silverado?
Code P2128 should be addressed promptly as it can lead to reduced vehicle performance, safety concerns, and potential damage to other engine components if left unresolved.
5. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P2128?
It is not recommended to continue driving the vehicle with code P2128 present, as it can result in unsafe driving conditions and further damage to the engine if not repaired.
6. How can I diagnose OBDII code P2128 in my 2016 Chevrolet Silverado?
Diagnosing code P2128 typically involves using a diagnostic scanner to retrieve the code, testing the accelerator pedal position sensor and related components, and inspecting wiring for any visible issues.
7. What are some repair tips for fixing OBDII code P2128 in a 2016 Chevrolet Silverado?
Repair tips for addressing code P2128 may include replacing the accelerator pedal position sensor, repairing or replacing damaged wiring or connectors, cleaning the throttle body, and ensuring proper connection to the engine control module.
8. Can I reset the Check Engine Light after fixing OBDII code P2128 in my 2016 Chevrolet Silverado?
Yes, once the underlying issue causing code P2128 is resolved, the Check Engine Light can be reset using a diagnostic scanner to clear the code from the vehicle's system.
9. How much does it cost to repair OBDII code P2128 in a 2016 Chevrolet Silverado?
The cost of repairing code P2128 can vary depending on the exact cause of the issue, but it may involve expenses for parts such as the accelerator pedal position sensor, labor costs for diagnosis and repair, and potential additional components if needed.
10. Can a DIY enthusiast fix OBDII code P2128 in a 2016 Chevrolet Silverado?
While some experienced DIY enthusiasts may be able to address code P2128 themselves, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is resolved correctly.
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