AutoCodes – Honda – P0222 Honda

P0222 Honda Code - Throttle Position Sensor 'B' Circuit Low Voltage

Quick Answer

The electronic throttle control system controls the throttle valve opening. Common causes include Faulty Throttle Body (TP Sensor 'B'), Throttle Body harness is open or shorted, Throttle Body 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 Honda indicates Throttle Position Sensor 'B' Circuit Low Voltage.
Common causes: Common causes include Faulty Throttle Body (TP Sensor 'B'), Throttle Body harness is open or shorted, Throttle Body 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 11,275

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 Aug 15, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0222 Honda Description

The electronic throttle control system controls the throttle valve opening. The system includes the throttle actuator, the throttle valve, Throttle Position (TP) sensors 'A' and 'B', the Electronic Throttle Control System (ETCS) control relay, the Accelerator Pedal Position (APP) sensor, and the Powertrain Control Module (PCM). TP Sensor 'B' is a semiconductor type, and it is attached to the throttle body and shaft to determine the throttle valve position. The throttle valve position signal from TP Sensor 'B' is transmitted to the PCM for target position feedback control. If the signal from TP Sensor 'B' is a fixed value for a set time, the PCM detects a TP Sensor 'B' malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0222 Honda - Throttle Position Sensor 'B' Circuit Low Voltage - AutoCodes.com — P0222 Honda Code - Throttle Position Sensor 'B' Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0222 Honda?

Faulty Throttle Body (TP Sensor 'B')
Throttle Body harness is open or shorted
Throttle Body circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0222 Honda?

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 P0222 Honda 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 Honda code?

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

Need Help with the Code?

Get the P0222 Honda code diagnosed by a professional: Find a repair shop in your area

Information for Specific Honda Models

P0222 2016 Honda CR-V — Throttle Position Sensor 'B' Circuit Low Voltage
P0222 2017 Honda CR-V — Throttle Position Sensor 'B' Circuit Low Voltage
P0222 2018 Honda CR-V — Throttle Position Sensor 'B' Circuit Low Voltage
P0222 2019 Honda CR-V — Throttle Position Sensor 'B' Circuit Low Voltage
P0222 2020 Honda CR-V — Throttle Position Sensor 'B' Circuit Low Voltage
P0222 2021 Honda CR-V — Throttle Position Sensor 'B' 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 Honda Code

1. What does the OBDII code P0222 mean on a Honda?

The code P0222 indicates that the Engine Control Module (ECM) has detected a low voltage input from the Throttle Position Sensor 'B'.

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

Symptoms may include erratic engine behavior, such as rough idling, stalling, and hesitation during acceleration, along with a Check Engine Light.

3. What can cause the P0222 code to appear in a Honda?

Causes could include a faulty Throttle Position Sensor, poor electrical connections at the sensor, or a short in the sensor's wiring harness.

4. How do you diagnose the P0222 code in a Honda?

Diagnosis should start with a visual inspection of the throttle position sensor and its wiring. Then, use a multimeter to check for proper voltage and ground at the sensor, and consider scanning the ECM for additional codes that could provide further insights.

5. What steps can be taken to fix the P0222 code on a Honda?

Repairing the P0222 code may involve replacing the Throttle Position Sensor, repairing any damaged wires or connections, or updating the ECM software if necessary.

6. Is it safe to drive a Honda with the P0222 code?

Driving with this code is not advisable as it could lead to unpredictable engine behavior, which might compromise vehicle safety.

7. Can the P0222 code affect the fuel economy of a Honda?

Yes, this code can affect fuel economy. The incorrect throttle position reading can lead to inefficient fuel use and reduced performance.

8. What is the difference between Throttle Position Sensor 'A' and 'B'?

Most vehicles equipped with two throttle position sensors label them as 'A' and 'B' for redundancy and accuracy. Sensor 'A' and 'B' provide independent signals to the ECM, helping to ensure the throttle operates correctly.

9. How urgent is it to address the P0222 code in a Honda?

It is fairly urgent to address this code because the symptoms can significantly affect the drivability and performance of the vehicle.

10. Will ignoring the P0222 code lead to other engine problems in a Honda?

Ignoring this code can lead to other issues such as engine misfires, poor acceleration, and increased emissions, which might result in further damage and more costly repairs down the line.