Engine-Codes.com
Engine-Codes – Honda – P0238 2021 Honda CR-V

P0238 2021 Honda CR-V Code - Turbocharger Boost Sensor Circuit High Voltage

Quick Answer

The P0238 code on a 2021 Honda CR-V indicates a problem with the turbocharger boost sensor circuit registering high voltage. Common causes include Faulty turbocharger boost sensor, Damaged wiring or connectors in the sensor circuit, Clogged air intake system. 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
P0238 2021 Honda CR-V indicates Turbocharger Boost Sensor Circuit High Voltage.
Common causes
Common causes include Faulty turbocharger boost sensor, Damaged wiring or connectors in the sensor circuit, Clogged air intake system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 29, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0238 2021 Honda CR-V Description

The P0238 code on a 2021 Honda CR-V indicates a problem with the turbocharger boost sensor circuit registering high voltage. The turbocharger boost sensor is responsible for monitoring the pressure levels in the intake manifold and ensuring that the turbocharger is operating at optimal levels. When the sensor detects high voltage, it means that the pressure levels are exceeding the specified parameters, which can lead to various performance issues in the vehicle.

OBDII Code P0238 2021 Honda CR-V - Turbocharger Boost Sensor Circuit High Voltage
P0238 2021 Honda CR-V Code - Turbocharger Boost Sensor Circuit High Voltage

Common Causes of P0238 2021 Honda CR-V

  1. Faulty turbocharger boost sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Clogged air intake system
  4. Malfunctioning ECM
  5. Overboost condition

Symptoms of P0238 2021 Honda CR-V

  1. Loss of engine power
  2. Decreased fuel efficiency
  3. Illuminated check engine light
  4. Rough idling or stalling
  5. Limp mode activation

How to Fix P0238 2021 Honda CR-V

  1. Begin by conducting a thorough inspection of the turbocharger boost sensor, wiring, and connectors for any visible damage or corrosion.
  2. Test the sensor's voltage output using a multimeter to determine if it is within the specified range.
  3. Check the air intake system for any obstructions or clogs that may be causing abnormal pressure levels.
  4. If necessary, replace the turbocharger boost sensor or repair any damaged wiring or connectors in the circuit.
  5. Clear the diagnostic trouble codes from the ECM and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P0238 2021 Honda CR-V

The typical repair costs for addressing a P0238 code on a 2021 Honda CR-V can vary depending on the specific cause of the issue. In general, replacing a faulty turbocharger boost sensor can cost between $100 and $300, while repairing damaged wiring or connectors may range from $50 to $150. Labor costs at auto repair shops can vary between $80 and $150 per hour, so the total repair bill could amount to $200 to $500 or more. It is advisable to consult with a professional mechanic to obtain a more accurate estimate based on the specific diagnosis and repair requirements for your vehicle.

What does this mean?

Tech Notes for P0238 2021 Honda CR-V









User Submitted Video

Need more information about the P0238 2021 Honda CR-V code?

Need more information on how to fix the P0238 2021 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0238 2021 Honda CR-V code diagnosed by a professional: Find a repair shop in your area

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 P0238 2021 Honda CR-V Code

1. What are the common symptoms of OBDII code P0238 in a 2021 Honda CR-V?

One common symptom of code P0238 in a 2021 Honda CR-V is a lack of power or reduced engine performance.

2. What does the OBDII code P0238 indicate in a 2021 Honda CR-V?

Code P0238 indicates a Turbocharger Boost Sensor Circuit High Voltage issue in the 2021 Honda CR-V, meaning that the voltage in the sensor circuit is higher than normal.

3. What are the possible causes of OBDII code P0238 in a 2021 Honda CR-V?

Possible causes of code P0238 in a 2021 Honda CR-V include a faulty turbocharger boost sensor, wiring or connector issues, or a problem with the turbocharger itself.

4. How can I diagnose the Turbocharger Boost Sensor Circuit High Voltage issue in my 2021 Honda CR-V?

To diagnose the issue, you can start by visually inspecting the sensor and its wiring for any visible damage. Using a multimeter, you can test the sensor's voltage to determine if it is within the expected range.

5. Can I continue driving my 2021 Honda CR-V with OBDII code P0238?

It is not recommended to continue driving your 2021 Honda CR-V with code P0238, as it can lead to further damage to the turbocharger system and potentially affect engine performance.

6. How can I repair OBDII code P0238 in a 2021 Honda CR-V?

Repairing code P0238 may involve replacing the turbocharger boost sensor, repairing any damaged wiring or connectors, or addressing any underlying turbocharger issues causing the high voltage condition.

7. Will resetting the OBDII code P0238 in my 2021 Honda CR-V make it go away permanently?

Simply resetting the code may temporarily clear the warning light, but if the underlying issue causing P0238 is not addressed, the code is likely to reappear.

8. Is it possible to prevent OBDII code P0238 in a 2021 Honda CR-V?

Regular maintenance of the turbocharger system, including keeping the sensor and wiring in good condition, can help prevent issues that may trigger code P0238 in a 2021 Honda CR-V.

9. Can a DIY enthusiast fix OBDII code P0238 in a 2021 Honda CR-V?

Depending on your skill level and available tools, DIY enthusiasts may be able to diagnose and repair code P0238 in a 2021 Honda CR-V, especially if the issue is related to simple sensor replacement or wiring repair.

10. How much does it cost to repair OBDII code P0238 in a 2021 Honda CR-V?

The cost of repairing code P0238 in a 2021 Honda CR-V can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic services, with total costs ranging from a few hundred to over a thousand dollars.

Discuss the causes and fixes for P0238 2021 Honda CR-V OBDII Code

Submit a New Comment

Code P0238 2021 Honda CR-V comments

No comments found for this page.