AutoCodes – Chevrolet – P0223 2016 Chevrolet Silverado

P0223 2016 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 2016 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.

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Code Popularity 327

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 20, 2022

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P0223 2016 Chevrolet Silverado Description

The Throttle Body Assembly contains a contact-less inductive throttle position sensing element that is managed by a customized integrated circuit. The throttle position sensor is mounted within the throttle body assembly and is not serviceable. The Engine Control Module (ECM) supplies the throttle body with a 5 V reference circuit, a low reference circuit. The asynchronous signal means communication is only going from the throttle body to the ECM. The throttle body cannot receive data from the ECM over the signal/serial data circuit. The throttle position sensor provides a signal voltage that changes relative to throttle blade angle. The throttle position sensor information is transmitted between the throttle body and the ECM on the signal/serial data circuit. The ECM decodes the serial data signal and is used as voltages for throttle position sensor 1 and 2. The Diagnostic Trouble Code (DTC) will be set when the ECM detects the throttle position sensor 2 signal voltage is greater than 4.6 V for greater than 1 s.

OBDII Code P0223 2016 Chevrolet Silverado - Throttle Position Sensor 2 Circuit High Voltage - AutoCodes.com — P0223 2016 Chevrolet Silverado Code - Throttle Position Sensor 2 Circuit High Voltage

What does this mean?

What are the Possible Causes of the DTC P0223 2016 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 2016 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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0223 2016 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 2016 Chevrolet Silverado code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0223 2016 Chevrolet Silverado Code

What does the OBDII code P0223 mean for a 2016 Chevrolet Silverado?

P0223 indicates that the engine control module (ECM) has detected a high voltage signal from Throttle Position Sensor 2 Circuit, which may affect throttle control.

What are the common symptoms of code P0223 in a 2016 Chevrolet Silverado?

Symptoms may include reduced engine power, hesitation during acceleration, an illuminated check engine light, or the vehicle entering "limp mode."

What causes the P0223 code to appear in a Chevrolet Silverado?

Common causes include a faulty throttle position sensor, damaged wiring or connectors in the sensor circuit, throttle body issues, or a malfunctioning ECM.

Can I drive my 2016 Silverado with a P0223 code?

Driving is possible but not recommended, as the vehicle may experience reduced power or enter limp mode, potentially creating unsafe driving conditions.

How do you fix the P0223 code on a 2016 Chevrolet Silverado?

Repairs typically involve inspecting and repairing wiring or connectors, replacing the throttle position sensor, cleaning or replacing the throttle body, or addressing ECM issues.

How do you diagnose a P0223 code?

Diagnosis includes using an OBDII scanner to confirm the code, inspecting the throttle position sensor wiring and connectors for damage, and testing the sensor with a multimeter.

How much does it cost to fix a P0223 code on a Chevrolet Silverado?

Repair costs vary, but replacing a throttle position sensor typically ranges from $150 to $300, including parts and labor, depending on the shop and region.

Can a dirty throttle body cause the P0223 code?

Yes, a dirty or malfunctioning throttle body can lead to incorrect sensor readings and potentially trigger the P0223 code.

Does the P0223 code mean the throttle position sensor needs to be replaced?

Not always. While the sensor may be faulty, the issue could also stem from damaged wiring, poor connections, or a dirty throttle body.

How can I prevent the P0223 code from recurring?

Regular maintenance, including cleaning the throttle body, inspecting wiring and connectors, and promptly addressing check engine light warnings, can help prevent this code from recurring.