P1280 GMC Code - Accelerator Pedal Position Sensor 2 Circuit
Quick Answer
The diagnostic trouble code P1280 for GMC vehicles relates to the Accelerator Pedal Position Sensor 2 Circuit. Common causes include Failed accelerator pedal position sensor 2, Damaged or corroded wiring/connectors in the sensor circuit, Issues with the engine control module (ECM). Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1280 GMC indicates Accelerator Pedal Position Sensor 2 Circuit.
- Common causes
- Common causes include Failed accelerator pedal position sensor 2, Damaged or corroded wiring/connectors in the sensor circuit, Issues with the engine control module (ECM).
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1280 GMC Description
The diagnostic trouble code P1280 for GMC vehicles relates to the Accelerator Pedal Position Sensor 2 Circuit. This code indicates that there is a malfunction in the circuit associated with the secondary accelerator pedal position sensor. The accelerator pedal position sensor is a vital component of the vehicle's electronic throttle control system. It monitors the position of the accelerator pedal and sends signals to the engine control module (ECM) to adjust the throttle accordingly.
Common Causes of P1280 GMC
- Failed accelerator pedal position sensor 2.
- Damaged or corroded wiring/connectors in the sensor circuit.
- Issues with the engine control module (ECM).
- Electrical faults in the sensor circuit.
- Environmental factors such as moisture or debris affecting sensor function.
Symptoms of P1280 GMC
- Reduced acceleration or lack of response when pressing the accelerator pedal.
- Engine hesitation or stumbling during acceleration.
- Engine stalling or difficulty starting the vehicle.
- Illumination of the Check Engine Light on the dashboard.
- Rough idle or erratic engine performance.
How to Fix P1280 GMC
- Connect a diagnostic scanner to the vehicle's OBD-II port to retrieve the trouble codes and confirm the presence of P1280.
- Inspect the accelerator pedal position sensor 2 and associated wiring/connectors for any visible damage or corrosion.
- Test the sensor's resistance and voltage output to determine if it is functioning within specifications.
- Replace the accelerator pedal position sensor 2 if it is found to be faulty.
- Clear the trouble codes from the ECM's memory and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P1280 GMC
The cost of repairing the Accelerator Pedal Position Sensor 2 Circuit issue can vary depending on the extent of the problem and the specific components that need to be replaced. In general, the cost of replacing the accelerator pedal position sensor 2 and addressing any associated wiring or connector issues can range from $150 to $400. Labor costs for this repair typically range from $80 to $150 per hour, and the total repair time may vary depending on the complexity of the job. It is advisable to consult with a trusted auto repair shop or dealership for a more accurate cost estimate based on your specific vehicle make and model.
Need more information about the P1280 GMC code?
Need more information on how to fix the P1280 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1280 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1280 GMC Code
No Frequently Asked Questions about P1280 GMC Code found.
Discuss the causes and fixes for P1280 GMC OBDII Code
Code P1280 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.