P1286 GMC Code - Accelerator Pedal Position Sensor 3 Circuit Performance
Quick Answer
The P1286 diagnostic trouble code (DTC) for GMC vehicles refers to an issue with the Accelerator Pedal Position Sensor 3 Circuit Performance. Common causes include Damaged or corroded wiring in the accelerator pedal position sensor circuit, Faulty accelerator pedal position sensor, ECM software or hardware issues. 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
- P1286 GMC indicates Accelerator Pedal Position Sensor 3 Circuit Performance.
- Common causes
- Common causes include Damaged or corroded wiring in the accelerator pedal position sensor circuit, Faulty accelerator pedal position sensor, ECM software or hardware issues.
- 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 P1286 GMC Description
The P1286 diagnostic trouble code (DTC) for GMC vehicles refers to an issue with the Accelerator Pedal Position Sensor 3 Circuit Performance. This sensor is a crucial component of the vehicle's electronic throttle control system, responsible for monitoring the position of the accelerator pedal and sending signals to the engine control module (ECM) to adjust the throttle opening accordingly. When the ECM detects that the performance of the accelerator pedal position sensor circuit is outside the expected range, it triggers the P1286 code.
Common Causes of P1286 GMC
- Damaged or corroded wiring in the accelerator pedal position sensor circuit.
- Faulty accelerator pedal position sensor.
- ECM software or hardware issues.
- Poor electrical connections in the sensor circuit.
- Environmental factors like moisture or dirt affecting sensor performance.
Symptoms of P1286 GMC
- Loss of power or reduced acceleration.
- Rough idling or engine stalling.
- Check Engine Light illuminated on the dashboard.
- Vehicle going into failsafe mode.
- Unresponsive throttle pedal.
How to Fix P1286 GMC
- Diagnose the issue using a scan tool to confirm the P1286 code and identify the specific cause.
- Inspect the wiring and connectors in the accelerator pedal position sensor circuit for any damage or corrosion. Repair or replace as needed.
- Test the accelerator pedal position sensor for proper operation and replace if faulty.
- Clear the DTC and perform a test drive to ensure the issue has been resolved.
- If the problem persists, further diagnostics may be required to pinpoint the exact cause.
Cost to Fix P1286 GMC
The typical repair costs for addressing the P1286 code can vary depending on the specific cause of the issue. In general, replacing a faulty accelerator pedal position sensor or repairing wiring/connectors can range from $150 to $300, including parts and labor. However, additional costs may apply if further diagnostics or ECM reprogramming is necessary. It's recommended to consult with a qualified mechanic or auto repair shop for an accurate cost estimate based on your vehicle's make and model. Keep in mind that labor rates can vary, so it's advisable to inquire about rates in your local area.
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