AutoCodes – Honda – P043E 2020 Honda CR-V

P043E 2020 Honda CR-V Code - Evaporative Emission Leak Check Module Standard Pressure Low

Quick Answer

The Powertrain Control Module (PCM) starts the Evaporative Emission (EVAP) system diagnosis after the vehicle has been turned to the OFF (LOCK) mode and has met all other enable conditions (initial engine coolant temperature and off for at least 5 hours). Common causes include Faulty Vacuum Pump, Faulty Vacuum Pump (Motor), Faulty Control Valve. 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: P043E 2020 Honda CR-V indicates Evaporative Emission Leak Check Module Standard Pressure Low.
Common causes: Common causes include Faulty Vacuum Pump, Faulty Vacuum Pump (Motor), Faulty Control Valve.
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 252

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 Aug 18, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P043E 2020 Honda CR-V Description

The Powertrain Control Module (PCM) starts the Evaporative Emission (EVAP) system diagnosis after the vehicle has been turned to the OFF (LOCK) mode and has met all other enable conditions (initial engine coolant temperature and off for at least 5 hours). The EVAP system diagnosis is performed by reducing the pressure between the EVAP canister and the atmosphere. If pressure is reduced with the fuel vapor containment valve open, the entire EVAP system will be diagnosed, and if the fuel vapor containment valve is closed, only the EVAP canister side will be diagnosed.
A malfunction is detected, and a Diagnostic Trouble Code (DTC) is stored when changes in the pressure are equal to or less than the prescribed value after the prescribed time of starting the system pressure reduction.

OBDII Code P043E 2020 Honda CR-V - Evaporative Emission Leak Check Module Standard Pressure Low - AutoCodes.com — P043E 2020 Honda CR-V Code - Evaporative Emission Leak Check Module Standard Pressure Low

What does this mean?

What are the Possible Causes of the DTC P043E 2020 Honda CR-V?

Faulty Vacuum Pump
Faulty Vacuum Pump (Motor)
Faulty Control Valve
Reference orifice flow quantity is excessive
Reference orifice flow quantity is too low

How to Fix the DTC P043E 2020 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 P043E 2020 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 P043E 2020 Honda CR-V code?

Need more information on how to fix the P043E 2020 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P043E 2020 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 P043E 2020 Honda CR-V Code

1. What does the OBDII code P043E mean on a 2020 Honda CR-V?

P043E indicates an issue with the evaporative emission (EVAP) system, specifically that the leak check module has detected a standard pressure that is too low.

2. What are the common symptoms of code P043E in a 2020 Honda CR-V?

Symptoms may include an illuminated check engine light, possible fuel odor near the vehicle, and decreased fuel efficiency.

3. What causes the P043E code to trigger on a 2020 Honda CR-V?

Common causes include a faulty EVAP leak check module, a damaged or loose gas cap, a cracked EVAP hose, or a malfunctioning purge or vent valve.

4. Can a loose gas cap cause the P043E code on a 2020 Honda CR-V?

Yes, a loose or damaged gas cap can cause the P043E code, as it may lead to a pressure imbalance in the EVAP system.

5. How do you diagnose the P043E code on a 2020 Honda CR-V?

Diagnosis typically involves scanning the vehicle for codes, inspecting the gas cap and EVAP hoses, and testing the EVAP leak check module and related components.

6. Is it safe to drive a 2020 Honda CR-V with the P043E code?

While it may be safe to drive short-term, ignoring the issue can lead to reduced fuel efficiency and increased emissions. Itâ€™s best to address the problem promptly.

7. How do you fix the P043E code on a 2020 Honda CR-V?

Repairs may include tightening or replacing the gas cap, fixing or replacing damaged EVAP hoses, or replacing the EVAP leak check module if itâ€™s defective.

8. How much does it cost to repair a P043E code on a 2020 Honda CR-V?

Costs can vary, but replacing a gas cap may cost around $20-$50, while more complex repairs like replacing the EVAP leak check module could cost $200-$500, depending on labor rates.

9. Can a faulty EVAP canister cause the P043E code on a 2020 Honda CR-V?

Yes, a malfunctioning EVAP canister or its components can lead to incorrect pressure readings and trigger the P043E code.

10. How can I prevent the P043E code from recurring on my 2020 Honda CR-V?

Regularly inspect and properly tighten the gas cap, check EVAP system components for damage, and ensure timely maintenance to prevent pressure issues.