P1273 GMC Code - Accelerator Pedal Position Sensor 1-3 Correlation
Quick Answer
The P1273 GMC code indicates a problem with the correlation between the Accelerator Pedal Position Sensor 1 and Sensor 3 in the vehicle's engine control module. Common causes include Faulty Accelerator Pedal Position Sensor, Wiring issues or loose connections, Engine control module malfunction. 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
- P1273 GMC indicates Accelerator Pedal Position Sensor 1-3 Correlation.
- Common causes
- Common causes include Faulty Accelerator Pedal Position Sensor, Wiring issues or loose connections, Engine control module malfunction.
- 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 P1273 GMC Description
The P1273 GMC code indicates a problem with the correlation between the Accelerator Pedal Position Sensor 1 and Sensor 3 in the vehicle's engine control module. The Accelerator Pedal Position Sensor is responsible for sending the signal to the engine control module about how much acceleration the driver is requesting. When there is a correlation issue between these sensors, it can lead to various performance issues in the vehicle.
Common Causes of P1273 GMC
- Faulty Accelerator Pedal Position Sensor.
- Wiring issues or loose connections.
- Engine control module malfunction.
- Corrosion or damage to sensor connectors.
- Environmental factors such as moisture or debris affecting sensor operation.
Symptoms of P1273 GMC
- Hesitation or lack of response when pressing the accelerator pedal.
- Rough idling or engine stalling.
- Poor acceleration and overall performance.
- Engine running rough or misfiring.
- Vehicle going into limp mode.
How to Fix P1273 GMC
- Perform a diagnostic scan to retrieve the trouble codes and pinpoint the issue.
- Inspect the Accelerator Pedal Position Sensor and its wiring for any signs of damage or corrosion.
- Test the Sensor 1 and Sensor 3 correlation using a multimeter to determine if they are functioning correctly.
- Replace the faulty sensor or repair any damaged wiring or connections.
- Clear the trouble codes and test drive the vehicle to ensure the issue is resolved.
Cost to Fix P1273 GMC
The typical repair costs for addressing the P1273 GMC code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local shops for a more accurate estimate before proceeding with the repair. Keep in mind that rates may be higher at dealerships or metropolitan areas, while independent shops may offer more competitive pricing.
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