AutoCodes – Chevrolet – P0222 Chevrolet

P0222 Chevrolet Code - Throttle Position Sensor 2 Circuit Low 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: P0222 Chevrolet indicates Throttle Position Sensor 2 Circuit Low 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 9,904

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 05, 2023

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P0222 Chevrolet 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 less than 0.25 V for greater than 1 s.

OBDII Code P0222 Chevrolet - Throttle Position Sensor 2 Circuit Low Voltage - AutoCodes.com — P0222 Chevrolet Code - Throttle Position Sensor 2 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0222 Chevrolet?

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 P0222 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 does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0222 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.

Need more information about the P0222 Chevrolet code?

Need more information on how to fix the P0222 Chevrolet code? Get Access to Factory Service Manuals

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Information for Specific Chevrolet Models

P0222 2014 Chevrolet Silverado — Throttle Position Sensor 2 Circuit Low Voltage
P0222 2015 Chevrolet Silverado — Throttle Position Sensor 2 Circuit Low Voltage
P0222 2016 Chevrolet Silverado — Throttle Position Sensor 2 Circuit Low Voltage
P0222 2017 Chevrolet Silverado — Throttle Position Sensor 2 Circuit Low Voltage
P0222 2018 Chevrolet Silverado — Throttle Position Sensor 2 Circuit Low Voltage

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 P0222 Chevrolet Code

1. What does OBDII code P0222 mean on a Chevrolet?

P0222 indicates that the Throttle Position Sensor 2 (TPS2) is detecting an abnormally low voltage, which can affect throttle control.

2. What are the common symptoms of code P0222 in a Chevrolet?

Symptoms may include reduced engine power, poor acceleration, stalling, or the activation of "limp mode." The check engine light will also be illuminated.

3. What causes the P0222 code to appear on a Chevrolet?

The most common causes are a faulty throttle position sensor, damaged wiring or connectors, a malfunctioning throttle body, or issues with the engine control module (ECM).

4. Can I drive my Chevrolet with a P0222 code?

Driving with a P0222 code is not recommended as it can cause reduced engine performance or unsafe driving conditions due to limited throttle control.

5. How do I diagnose a P0222 code on a Chevrolet?

Start by inspecting the TPS2 wiring and connectors for damage or corrosion. Then test the throttle position sensor for proper voltage and resistance using a multimeter.

6. How can I fix the P0222 code on my Chevrolet?

Repairs may include replacing the throttle position sensor, repairing damaged wiring or connectors, cleaning the throttle body, or reprogramming the ECM if needed.

7. Is the throttle position sensor expensive to replace on a Chevrolet?

The cost of replacing a TPS varies but is generally not very expensive. Parts typically range from $50 to $200, depending on the model, plus labor costs if done by a mechanic.

8. What tools are needed to fix a P0222 code on a Chevrolet?

Youâ€™ll need an OBDII scanner, a multimeter for voltage testing, basic hand tools, and possibly throttle body cleaner if cleaning is required.

9. Can a dirty throttle body cause a P0222 code on a Chevrolet?

Yes, a dirty throttle body can affect the sensor's operation and contribute to this code, though it is not the most common cause.

10. Will clearing the code with an OBDII scanner fix the P0222 issue on a Chevrolet?

Clearing the code may temporarily turn off the check engine light, but it wonâ€™t fix the underlying issue. Proper diagnosis and repair are needed to resolve the problem.