P1288 Buick Code - Accelerator Pedal Position Sensor 3 Circuit High Voltage
Quick Answer
The P1288 Buick code indicates a problem with the Accelerator Pedal Position Sensor 3 Circuit, specifically that the voltage being detected is too high. 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
- P1288 Buick indicates Accelerator Pedal Position Sensor 3 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 P1288 Buick Description
The P1288 Buick code indicates a problem with the Accelerator Pedal Position Sensor 3 Circuit, specifically that the voltage being detected is too high. The Accelerator Pedal Position Sensor (APPS) is a vital component of the electronic throttle control system in modern vehicles. It is responsible for transmitting the position of the accelerator pedal to the Engine Control Module (ECM), which then adjusts the throttle position accordingly.
Common Causes of P1288 Buick
- Faulty Accelerator Pedal Position Sensor
- Damaged wiring or connectors in the sensor circuit
- Malfunctioning ECM
- Issues with the throttle body
- Corrosion or contamination in the sensor components
Symptoms of P1288 Buick
- Loss of power or acceleration
- Rough idling or engine stalling
- Check Engine Light illuminated
- Reduced fuel efficiency
- Vehicle going into failsafe mode
How to Fix P1288 Buick
- Begin by inspecting the wiring and connectors in the Accelerator Pedal Position Sensor circuit for any signs of damage or corrosion. Repair or replace as necessary.
- Test the Accelerator Pedal Position Sensor using a multimeter to determine if it is functioning within the manufacturer's specified parameters. Replace the sensor if it is faulty.
- Check the ECM for any error codes related to the Accelerator Pedal Position Sensor and reset if necessary.
- If the issue persists, inspect the throttle body for any obstructions or malfunctions that could be affecting the sensor readings.
- Clear the error code from the ECM's memory and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1288 Buick
The cost of repairing a P1288 Buick code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $150 and $300 for parts and labor. It's important to note that diagnostic time and labor rates can vary between auto repair shops, so it's best to get a few quotes before proceeding with the repair. Additionally, if the issue is more complex and requires the replacement of multiple components, the cost may be higher. Be sure to consult with a qualified mechanic to determine the exact cost for your specific situation.
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