P2128 2017 Chevrolet Silverado Code - Accelerator Pedal Position Sensor 2 Circuit High Voltage
Quick Answer
The P2128 diagnostic trouble code (DTC) specifically relates to the Accelerator Pedal Position Sensor 2 Circuit High Voltage in a 2017 Chevrolet Silverado. Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECM. 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 2017 Chevrolet Silverado indicates Accelerator Pedal Position Sensor 2 Circuit High Voltage.
- Common causes
- Common causes include Faulty accelerator pedal position sensor, Damaged wiring or connectors in the sensor circuit, Malfunctioning ECM.
- 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.
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Code P2128 2017 Chevrolet Silverado Description
The P2128 diagnostic trouble code (DTC) specifically relates to the Accelerator Pedal Position Sensor 2 Circuit High Voltage in a 2017 Chevrolet Silverado. This code indicates that there is a high voltage condition detected in the circuit that controls the second accelerator pedal position sensor. The accelerator pedal position sensor is a crucial component of the vehicle's electronic throttle control system. It is responsible for sending the position of the accelerator pedal to the engine control module (ECM), which then adjusts the throttle opening accordingly.
Common Causes of P2128 2017 Chevrolet Silverado
- Faulty accelerator pedal position sensor
- Damaged wiring or connectors in the sensor circuit
- Malfunctioning ECM
- Corrosion or moisture in the sensor circuit
- Electrical issues such as a short circuit or open circuit
Symptoms of P2128 2017 Chevrolet Silverado
- Reduced engine power
- Poor acceleration
- Hesitation or surging while driving
- Check Engine Light illuminated
- Rough idling or stalling
How to Fix P2128 2017 Chevrolet Silverado
- Begin by connecting a diagnostic scanner to the vehicle's OBD-II port to retrieve the specific trouble code and further diagnose the issue.
- Inspect the wiring and connectors in the accelerator pedal position sensor circuit for any signs of damage, corrosion, or loose connections.
- Test the accelerator pedal position sensor using a multimeter to determine if it is functioning correctly or needs replacement.
- If the sensor is faulty, replace it with a new one following manufacturer's guidelines and reset the ECM to clear the trouble code.
- Clear the DTC using the diagnostic scanner and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P2128 2017 Chevrolet Silverado
The typical repair costs for addressing the P2128 code in a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this code could range from $200 to $500, including the cost of a new accelerator pedal position sensor if needed. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.
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Frequently Asked Questions about P2128 2017 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P2128 in a 2017 Chevrolet Silverado?
- Common symptoms include the vehicle going into limp mode, reduced engine power, and the check engine light being illuminated.
2. What does the OBDII code P2128 on a 2017 Chevrolet Silverado indicate?
- This code indicates a high voltage condition in the circuit associated with the Accelerator Pedal Position Sensor 2.
3. What are the possible causes of OBDII code P2128 in a 2017 Chevrolet Silverado?
- Possible causes include a faulty accelerator pedal position sensor, issues with the sensor's wiring or connectors, or a problem with the engine control module.
4. How can I diagnose the OBDII code P2128 in my 2017 Chevrolet Silverado?
- Diagnosing this code typically involves using a scan tool to retrieve the code, inspecting the sensor's wiring and connectors, and testing the sensor's voltage output.
5. Can I continue driving my 2017 Chevrolet Silverado with OBDII code P2128?
- It is not recommended to drive the vehicle with this code present, as it can lead to performance issues and potential safety concerns.
6. Is it possible to repair OBDII code P2128 in a 2017 Chevrolet Silverado myself?
- Depending on your skill level, you may be able to repair this issue yourself by replacing the faulty accelerator pedal position sensor or addressing wiring/connectivity issues.
7. How much does it typically cost to repair OBDII code P2128 in a 2017 Chevrolet Silverado?
- The cost of repairs can vary based on the specific issue causing the code, but it may involve replacing the accelerator pedal position sensor, which can range from $100 to $300.
8. Will resetting the OBDII code P2128 in my 2017 Chevrolet Silverado make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to reappear.
9. Can a dirty throttle body cause OBDII code P2128 in a 2017 Chevrolet Silverado?
- While a dirty throttle body can potentially cause related performance issues, it is not a common direct cause of OBDII code P2128 specifically.
10. How long does it take to repair OBDII code P2128 in a 2017 Chevrolet Silverado?
- The repair time can vary depending on the exact cause of the code, but it typically takes a few hours to diagnose and replace the accelerator pedal position sensor or address wiring issues.
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