P2128 2015 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 2015 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 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 2 voltage is greater than 2.6 V for less than 1 s.
What are the Possible Causes of the DTC P2128 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 P2128 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 P2128 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 P2128 2015 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P2128 in a 2015 Chevrolet Silverado?
- Common symptoms include the Check Engine light coming on, reduced engine power, sudden acceleration surges, and difficulty maintaining a steady speed.
2. What does the OBDII code P2128 indicate in a 2015 Chevrolet Silverado?
- OBDII code P2128 indicates a high voltage condition in the Accelerator Pedal Position Sensor 2 circuit of a 2015 Chevrolet Silverado.
3. What are the possible causes of OBDII code P2128 in a 2015 Chevrolet Silverado?
- Possible causes include a faulty Accelerator Pedal Position Sensor, damaged wiring or connectors in the sensor circuit, or a problem with the Engine Control Module.
4. How can I diagnose the cause of OBDII code P2128 in my 2015 Chevrolet Silverado?
- To diagnose the issue, you can use an OBDII scanner to read the code, inspect the wiring and connectors for any visible damage, and test the Accelerator Pedal Position Sensor using a multimeter.
5. Can I still drive my 2015 Chevrolet Silverado with OBDII code P2128?
- It is not recommended to drive your vehicle with OBDII code P2128, as it can lead to unsafe driving conditions due to reduced engine power and erratic acceleration.
6. How can I repair OBDII code P2128 in my 2015 Chevrolet Silverado?
- Repair options include replacing the faulty Accelerator Pedal Position Sensor, repairing damaged wiring or connectors, and resetting the trouble code using an OBDII scanner.
7. Is it possible to reset OBDII code P2128 in a 2015 Chevrolet Silverado without fixing the underlying issue?
- While you can reset the trouble code using an OBDII scanner, it is important to address the root cause of the problem to prevent the code from reappearing.
8. Will OBDII code P2128 cause any long-term damage to my 2015 Chevrolet Silverado if left unaddressed?
- Ignoring OBDII code P2128 can potentially lead to further damage to the engine or other components, so it is advisable to address the issue promptly.
9. How much does it typically cost to repair OBDII code P2128 in a 2015 Chevrolet Silverado?
- The cost of repairing OBDII code P2128 can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.
10. Can I prevent OBDII code P2128 from occurring in my 2015 Chevrolet Silverado?
- To prevent OBDII code P2128, it is essential to perform regular maintenance on your vehicle, including checking the condition of sensors and wiring to address any potential issues early on.
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