AutoCodes – Honda – P0506 2019 Honda CR-V

P0506 2019 Honda CR-V Code - Idle Control System RPM Lower Than Expected

Quick Answer

A target idle speed that meets the engine operating conditions (coolant temperature, A/C ON or OFF, etc.) is stored in the Powertrain Control Module (PCM). Common causes include Throttle Body air leak, Intake manifold air leak, Intake air system air leak. 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: P0506 2019 Honda CR-V indicates Idle Control System RPM Lower Than Expected.
Common causes: Common causes include Throttle Body air leak, Intake manifold air leak, Intake air system air leak.
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 196

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 Dec 23, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0506 2019 Honda CR-V Description

A target idle speed that meets the engine operating conditions (coolant temperature, A/C ON or OFF, etc.) is stored in the Powertrain Control Module (PCM). The PCM monitors and controls the idle speed so that the actual idle speed is equal to the target idle speed. If the actual idle speed varies beyond a specified value from the target speed over a certain period of time, the PCM detects a malfunction in the idle speed control system and stores a Diagnostic Trouble Code (DTC). The DTC will be set when the actual idle speed is 100 rpm less than the target idle speed for at least 20 seconds.

OBDII Code P0506 2019 Honda CR-V - Idle Control System RPM Lower Than Expected - AutoCodes.com — P0506 2019 Honda CR-V Code - Idle Control System RPM Lower Than Expected

What does this mean?

What are the Possible Causes of the DTC P0506 2019 Honda CR-V?

Throttle Body air leak
Intake manifold air leak
Intake air system air leak
Faulty Throttle Body

How to Fix the DTC P0506 2019 Honda CR-V?

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

If there are no intake leaks, clean the throttle body, adjust the engine idle, and erase the engine code. If the code comes back, you may have to replace the Throttle Body to repair the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0506 2019 Honda CR-V 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 P0506 2019 Honda CR-V code?

Need more information on how to fix the P0506 2019 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0506 2019 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 P0506 2019 Honda CR-V Code

1. What does the OBDII code P0506 mean on a 2019 Honda CR-V?

P0506 indicates that the Idle Control System RPM is lower than the expected range, meaning the engine is idling at a speed lower than specified by the manufacturer.

2. What are the common symptoms of the P0506 code on a 2019 Honda CR-V?

Symptoms include low or rough idle, stalling, difficulty starting the engine, and possible illumination of the check engine light.

3. What causes the P0506 code in a 2019 Honda CR-V?

Common causes include a dirty or faulty throttle body, vacuum leaks, a malfunctioning idle air control valve, a defective mass airflow sensor, or issues with the engine control module (ECM).

4. Can a dirty throttle body cause the P0506 code?

Yes, a dirty or carbon-clogged throttle body can restrict airflow, causing the engine to idle lower than expected and triggering the P0506 code.

5. How do you fix the P0506 code on a 2019 Honda CR-V?

Fixes may include cleaning the throttle body, inspecting and repairing vacuum leaks, replacing the idle air control valve if faulty, and ensuring the mass airflow sensor is clean and functioning properly.

6. Can you drive a 2019 Honda CR-V with the P0506 code?

While it may be possible to drive, it is not recommended as the engine may stall unexpectedly or operate inefficiently, potentially leading to safety concerns or further damage.

7. How do you diagnose the P0506 code on a 2019 Honda CR-V?

Diagnosis involves scanning for additional codes, visually inspecting the throttle body and vacuum lines, testing the idle air control valve, and checking for proper operation of the mass airflow sensor and ECM.

8. Can a vacuum leak cause the P0506 code?

Yes, vacuum leaks can disrupt the air-fuel mixture and lead to lower-than-expected idle RPM, triggering the P0506 code.

9. How much does it cost to repair the P0506 code on a 2019 Honda CR-V?

Costs vary depending on the issue, ranging from $100 for cleaning the throttle body to $300 or more for replacing components like the idle air control valve or mass airflow sensor.

10. Will resetting the check engine light fix the P0506 code?

Resetting the light may temporarily clear the code, but the underlying issue must be addressed to prevent the code from returning.