P1224 Code - Throttle Position Sensor 2 Circuit High Input
Quick Answer
The P1224 diagnostic trouble code (DTC) indicates a problem with the Throttle Position Sensor (TPS) 2 Circuit in the vehicle. Common causes include Faulty Throttle Position Sensor 2, Wiring issues such as loose connections or damaged wires, Defective 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
- P1224 indicates Throttle Position Sensor 2 Circuit High Input.
- Common causes
- Common causes include Faulty Throttle Position Sensor 2, Wiring issues such as loose connections or damaged wires, Defective 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 P1224 Description
The P1224 diagnostic trouble code (DTC) indicates a problem with the Throttle Position Sensor (TPS) 2 Circuit in the vehicle. The TPS is a crucial component of the electronic throttle control system, as it monitors the position of the throttle valve and sends signals to the engine control module (ECM) to adjust the air-fuel mixture for optimal performance. When the ECM detects a high input signal from TPS 2, it triggers the P1224 code, indicating a potential issue with the sensor or its circuit.
Common Causes of P1224
- Faulty Throttle Position Sensor 2
- Wiring issues such as loose connections or damaged wires
- Defective ECM
- Throttle body misalignment
- Corrosion in the sensor circuit
Symptoms of P1224
- Rough idling or stalling
- Hesitation or lack of power during acceleration
- Reduced fuel efficiency
- Illuminated check engine light
- Decreased engine performance
How to Fix P1224
- Begin by diagnosing the root cause of the issue using a diagnostic scanner to confirm the P1224 code.
- Inspect the Throttle Position Sensor 2 and its wiring harness for any signs of damage, wear, or corrosion.
- Test the TPS 2 sensor's voltage output and resistance to determine if it is functioning within the manufacturer's specifications.
- Replace the faulty Throttle Position Sensor 2 if necessary, ensuring proper installation and calibration.
- Clear the DTC codes from the ECM and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P1224
The cost of repairing a Throttle Position Sensor 2 Circuit High Input issue can vary depending on the make and model of the vehicle, the location of the repair shop, and the extent of the damage. On average, the parts for a TPS 2 sensor replacement can range from $50 to $150, while labor costs can range from $80 to $150 per hour. Overall, the total repair cost for addressing a P1224 code typically falls in the range of $150 to $300. However, it is advisable to obtain a personalized quote from a local auto repair shop to get an accurate estimate based on your specific vehicle and location.
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Code P1224 Information for Specific Makes
- P1224 Buick — Fuel Injector 1 Control Circuit Shorted
- P1224 Cadillac — Fuel Injector 1 Control Circuit Shorted
- P1224 Chevrolet — Fuel Injector 1 Control Circuit Shorted
- P1224 Ford — Throttle Position Sensor 'B' Out of Self-Test Range
- P1224 GMC — Fuel Injector 1 Control Circuit Shorted
- P1224 Infiniti — Throttle Position Sensor 2 Circuit High Input
- P1224 Mazda — Throttle Position Sensor 'B' Out of Self-Test Range
- P1224 Nissan — Throttle Position Sensor 2 Circuit High Input
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