P0223 2018 Chevrolet Silverado Code - Throttle Position Sensor 2 Circuit High Voltage
Quick Answer
The Throttle Body Assembly contains a contact-less inductive throttle position sensing element that is managed by a customized integrated circuit. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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
- P0223 2018 Chevrolet Silverado indicates Throttle Position Sensor 2 Circuit High Voltage.
- Common causes
- Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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 P0223 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0223 2018 Chevrolet Silverado?
- Faulty Throttle Body Assembly
- Throttle Body Assembly harness is open or shorted
- Throttle Body Assembly circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0223 2018 Chevrolet Silverado?
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 P0223 2018 Chevrolet Silverado 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.
Need more information about the P0223 2018 Chevrolet Silverado code?
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Frequently Asked Questions about P0223 2018 Chevrolet Silverado Code
1. What does the OBDII code P0223 mean for a 2018 Chevrolet Silverado?
P0223 indicates a high voltage issue in the Throttle Position Sensor (TPS) 2 circuit, suggesting the sensor is sending a voltage signal higher than expected to the engine control module (ECM).
2. What are the symptoms of code P0223 in a 2018 Chevrolet Silverado?
Common symptoms include reduced engine power, poor acceleration, the throttle not responding properly, the check engine light illuminated, and possibly entering "limp mode."
3. What causes the P0223 code in a 2018 Chevrolet Silverado?
Possible causes include a faulty TPS, wiring issues such as damaged or corroded connections, a malfunctioning ECM, or a misaligned throttle body.
4. Can I drive my 2018 Chevrolet Silverado with a P0223 code?
Driving with this code is not recommended, as the vehicle may enter reduced power mode or experience throttle issues that could create unsafe driving conditions.
5. How do I diagnose the P0223 code on my 2018 Chevrolet Silverado?
Start by using a scan tool to confirm the code, then inspect the TPS and related wiring for damage. Measure the voltage at the sensor and compare it to manufacturer specifications.
6. How do I fix the P0223 code in a 2018 Chevrolet Silverado?
Repairs may include replacing a faulty TPS, repairing or replacing damaged wiring or connectors, cleaning the throttle body, or in rare cases, reprogramming or replacing the ECM.
7. What tools are needed to troubleshoot the P0223 code?
You’ll need an OBDII scan tool, a multimeter for voltage testing, and basic tools for inspecting and repairing wiring or replacing the TPS.
8. How much does it cost to fix the P0223 code on a 2018 Chevrolet Silverado?
Repair costs can vary, but replacing the TPS typically costs between $100 and $300, including parts and labor. Additional costs may apply if wiring repairs or ECM replacement are needed.
9. Can a dirty throttle body cause the P0223 code?
Yes, a dirty throttle body can sometimes cause erratic voltage readings from the TPS, potentially triggering the P0223 code.
10. Do I need to clear the P0223 code after repairs?
Yes, after completing repairs, clear the code using an OBDII scan tool and test drive the vehicle to ensure the issue is resolved.
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