P1220 Chevrolet Code - Throttle Position Sensor 2 Circuit
Quick Answer
The Throttle Position (TP) Sensor is mounted on the throttle body of the Throttle Actuator Control (TAC) assembly. Common causes include Faulty Throttle Position (TP) Sensor, Throttle Position (TP) Sensor harness is open or shorted, Throttle Position (TP) Sensor circuit poor electrical connection. 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
- P1220 Chevrolet indicates Throttle Position Sensor 2 Circuit.
- Common causes
- Common causes include Faulty Throttle Position (TP) Sensor, Throttle Position (TP) Sensor harness is open or shorted, Throttle Position (TP) Sensor circuit poor electrical connection.
- 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.
Code P1220 Chevrolet Description
What are the Possible Causes of the DTC P1220 Chevrolet?
- Faulty Throttle Position (TP) Sensor
- Throttle Position (TP) Sensor harness is open or shorted
- Throttle Position (TP) Sensor circuit poor electrical connection
How to Fix the DTC P1220 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1220 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1220 Chevrolet Code
1. What are common symptoms of OBDII code P1220 in a Chevrolet related to the Throttle Position Sensor 2 Circuit?
- Common symptoms include poor engine performance, rough idling, stalling, and difficulty accelerating.
2. What are the possible causes of OBDII code P1220 in a Chevrolet indicating an issue with the Throttle Position Sensor 2 Circuit?
- Possible causes include a faulty throttle position sensor, damaged wiring or connectors, or a malfunctioning electronic control module (ECM).
3. How can I diagnose the OBDII code P1220 in a Chevrolet related to the Throttle Position Sensor 2 Circuit?
- Diagnosis typically involves using an OBDII scanner to retrieve the trouble code, inspecting the throttle position sensor and its circuit for damage, and testing the sensor's voltage output.
4. Is it safe to continue driving a Chevrolet with OBDII code P1220 indicating a problem with the Throttle Position Sensor 2 Circuit?
- It is not recommended to continue driving the vehicle with this code as it can lead to further damage and potential safety hazards.
5. What are some repair tips for addressing OBDII code P1220 in a Chevrolet associated with the Throttle Position Sensor 2 Circuit?
- Repair tips may include replacing the throttle position sensor, repairing or replacing damaged wiring, and resetting the ECM after repairs are completed.
6. Can a DIY enthusiast fix OBDII code P1220 in a Chevrolet caused by the Throttle Position Sensor 2 Circuit issue?
- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address this code by following repair guides and instructions carefully.
7. How much does it typically cost to repair OBDII code P1220 in a Chevrolet related to the Throttle Position Sensor 2 Circuit at a professional auto repair shop?
- Repair costs can vary but are generally in the range of $100 to $300, depending on the extent of the damage and the specific repairs needed.
8. Can a malfunctioning Throttle Position Sensor 2 Circuit cause other OBDII codes to appear in a Chevrolet?
- Yes, a faulty Throttle Position Sensor 2 Circuit can cause related issues leading to the triggering of additional OBDII codes in the vehicle's system.
9. Are there any preventive maintenance measures that can help avoid OBDII code P1220 in a Chevrolet due to Throttle Position Sensor 2 Circuit problems?
- Regularly inspecting and maintaining the throttle position sensor, as well as ensuring proper wiring connections, can help prevent issues leading to this code.
10. How long does it typically take to repair OBDII code P1220 in a Chevrolet associated with the Throttle Position Sensor 2 Circuit?
- Repair times can vary depending on the extent of the issue and the availability of parts, but it generally takes a few hours to a full day to address this problem at a repair shop.
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