Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with the sensors that tell it how much you are pressing the gas pedal.
The car uses sensors to know how much you press the gas pedal. If these sensors don't work right, the car might not know how fast you want to go.
The P1224 code indicates that the Engine Control Module (ECM) has detected a discrepancy in the expected range or performance of the pedal position sensors 1 and 2. These sensors send signals to the ECM to determine the position of the accelerator pedal, and any deviation from the expected signal range triggers this code.
• Check Engine Light is on
• Poor acceleration
• Unresponsive throttle
• Faulty pedal position sensor
• Wiring issues or poor connections
• Faulty ECM
ECM: Engine Control Module, the computer that controls engine functions.
OBD-II: On-Board Diagnostics, a standardized system for self-diagnostics in vehicles.
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connections to the pedal position sensor.
• Test the pedal position sensor for proper operation.
• Replace the pedal position sensor if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Screwdriver set
$100 - $300
Moderate
• Nissan Altima
• Toyota Camry
• Ford Focus
• Regularly inspect and maintain wiring harnesses.
• Ensure pedal sensors are clean and free of debris.
• Perform regular ECM software updates.
Sensor Issue
• Avoid driving aggressively until the issue is fixed.
• Schedule a diagnostic check with a professional mechanic.
Check with vehicle manufacturer for specific warranty coverage on sensors and ECM.
This code has been more common in vehicles with electronic throttle control systems introduced in the early 2000s.
Moderate – It should be addressed soon to avoid potential drivability issues.
Ignoring this issue could lead to unsafe driving conditions and potential legal liabilities if the vehicle does not perform as expected.
• Vehicle at operating temperature
• Engine running
The pedal position sensors are located on the accelerator pedal assembly inside the vehicle cabin.
Q: Can I drive my car with a P1224 code?
A: It's not recommended to drive for long periods with this code, as it can lead to poor acceleration and unsafe driving conditions.
Q: How do I reset the P1224 code?
A: After fixing the issue, use an OBD-II scanner to clear the code from the ECM.
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