AutoCodes – Honda – P05A8 2016 Honda CR-V

P05A8 2016 Honda CR-V Code - Shutter Grille Actuator Upper Malfunction

Quick Answer

The shutter grille system open/closes the shutter depending on the driving conditions. Common causes include Upper Shutter Grille Local Interconnect Network (LIN) line open, Upper Shutter Grille LIN line short to ground, Upper Shutter Grille LIN line short to power. 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
P05A8 2016 Honda CR-V indicates Shutter Grille Actuator Upper Malfunction.
Common causes
Common causes include Upper Shutter Grille Local Interconnect Network (LIN) line open, Upper Shutter Grille LIN line short to ground, Upper Shutter Grille LIN line short to power.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 136
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 27, 2023
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Code P05A8 2016 Honda CR-V Description

The shutter grille system open/closes the shutter depending on the driving conditions. The system improves fuel efficiency by reducing the wind drag. The shutter is controlled by the shutter grille which integrates the actuator. The Powertrain Control Module (PCM) sends open/close requests which depends on the driving conditions to the shutter grille via the Local Interconnect Network (LIN) line. If the upper or lower actuator voltage is detected as abnormal, the PCM confirms the abnormality and stores a Diagnostic Trouble Code (DTC). The DTC will be set when the power supply voltage of the PCM is more than 10.5V, when the actuator is 17.5 V or more, or less than 7.5 V for at least 2.5 seconds.
OBDII Code P05A8 2016 Honda CR-V - Shutter Grille Actuator Upper Malfunction - AutoCodes.com
P05A8 2016 Honda CR-V Code - Shutter Grille Actuator Upper Malfunction

What are the Possible Causes of the DTC P05A8 2016 Honda CR-V?

  • Upper Shutter Grille Local Interconnect Network (LIN) line open
  • Upper Shutter Grille LIN line short to ground
  • Upper Shutter Grille LIN line short to power

How to Fix the DTC P05A8 2016 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P05A8 2016 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 P05A8 2016 Honda CR-V code?

Need more information on how to fix the P05A8 2016 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the 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 P05A8 2016 Honda CR-V Code

1. What does the OBDII code P05A8 mean on a 2016 Honda CR-V?

P05A8 indicates a malfunction in the shutter grille actuator upper, which controls airflow through the grille to optimize engine temperature and aerodynamics.

2. What are the common symptoms of code P05A8 in a 2016 Honda CR-V?

Symptoms may include an illuminated check engine light, reduced fuel efficiency, overheating, or a grille shutter stuck in an open or closed position.

3. What causes the P05A8 code to appear on a 2016 Honda CR-V?

Common causes include a faulty shutter grille actuator, damaged wiring or connectors, or a malfunction in the powertrain control module (PCM).

4. Can I drive my 2016 Honda CR-V with a P05A8 code?

While the vehicle may still be drivable, ignoring the issue can lead to overheating or reduced fuel efficiency. It's best to address it promptly.

5. How do I diagnose the P05A8 code in a 2016 Honda CR-V?

Diagnosis typically involves inspecting the grille shutters for obstructions, checking the actuator for functionality, and testing related wiring and connectors.

6. How is the P05A8 code repaired on a 2016 Honda CR-V?

Repairs may involve replacing the shutter grille actuator, repairing damaged wiring, or reprogramming or replacing the PCM if needed.

7. How much does it cost to fix the P05A8 code on a 2016 Honda CR-V?

Repair costs can vary. Replacing the shutter grille actuator generally costs between $150 and $400, depending on parts and labor rates.

8. Can a clogged grille or debris trigger the P05A8 code?

Yes, debris or obstructions in the grille area can prevent the shutters from moving properly, triggering the code.

9. How do I prevent the P05A8 code from occurring in my 2016 Honda CR-V?

Regularly clean the grille area to prevent debris buildup and have periodic inspections of the actuator and wiring during routine maintenance.

10. Does the P05A8 code affect the performance of my 2016 Honda CR-V?

It can affect performance by reducing fuel efficiency or causing the engine to run hotter than normal if the shutters fail to operate correctly.

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