AutoCodes – Chevrolet – P02E5 2018 Chevrolet Silverado

P02E5 2018 Chevrolet Silverado Code - Intake Air Flow Valve Stuck Closed

Quick Answer

The intake airflow valve is a throttle plate actuator and is used to achieve high exhaust gas recirculation rates. Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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: P02E5 2018 Chevrolet Silverado indicates Intake Air Flow Valve Stuck Closed.
Common causes: Common causes include Faulty Throttle Body Assembly, Throttle Body Assembly harness is open or shorted, Throttle Body Assembly 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.

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Code Popularity 397

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jun 09, 2022

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code P02E5 2018 Chevrolet Silverado Description

The intake airflow valve is a throttle plate actuator and is used to achieve high exhaust gas recirculation rates. It increases the pressure difference between exhaust and intake so that the appropriate exhaust quantity can be mixed with the intake air. The intake airflow valve contains a contactless inductive throttle position sensing element that is managed by a customized integrated circuit. The throttle position sensor is mounted within the valve assembly and is not serviceable. The Engine Control Module (ECM) supplies the valve assembly with a 5 V reference circuit, a low reference circuit, an H-bridge motor directional control circuit, and an asynchronous signal/serial data circuit. The asynchronous signal means communication is only going from the valve assembly to the ECM. The valve assembly cannot receive data from the ECM over the signal/serial data circuit. The throttle position sensor provides a signal that changes relative to the throttle blade angle. The throttle position sensor information is transmitted between the valve assembly and the ECM on the signal/serial data circuit. The ECM decodes the serial data signal into separate voltages which are displayed on a scan tool as the voltage inputs from TP sensors 1 and 2. The Diagnostic Trouble Code (DTC) will be set when the Throttle Position is less than 90%.

OBDII Code P02E5 2018 Chevrolet Silverado - Intake Air Flow Valve Stuck Closed - AutoCodes.com — P02E5 2018 Chevrolet Silverado Code - Intake Air Flow Valve Stuck Closed

What does this mean?

What are the Possible Causes of the DTC P02E5 2018 Chevrolet Silverado?

Faulty Throttle Body Assembly
Throttle Body Assembly harness is open or shorted
Throttle Body Assembly circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P02E5 2018 Chevrolet Silverado?

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

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P02E5 2018 Chevrolet Silverado 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 P02E5 2018 Chevrolet Silverado code?

Need more information on how to fix the P02E5 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P02E5 2018 Chevrolet Silverado Code

1. What does the OBDII code P02E5 mean on a 2018 Chevrolet Silverado?

The P02E5 code indicates that the intake air flow valve is stuck in the closed position, preventing proper airflow into the engine.

2. What are the symptoms of a P02E5 code in a 2018 Chevrolet Silverado?

Common symptoms include reduced engine performance, poor fuel efficiency, rough idling, increased emissions, and possible triggering of the check engine light.

3. What causes the P02E5 code to appear on a 2018 Chevrolet Silverado?

Possible causes include a malfunctioning intake air flow valve, carbon buildup on the valve, wiring issues, or a faulty intake air flow valve control module.

4. Can I drive my 2018 Chevrolet Silverado with a P02E5 code?

While the vehicle may still be drivable, it is not recommended as it can lead to further engine performance problems or damage.

5. How do I fix the P02E5 code on my 2018 Chevrolet Silverado?

Repairs may include cleaning or replacing the intake air flow valve, inspecting and repairing wiring or connections, or replacing the valve control module if faulty.

6. How much does it cost to repair a P02E5 code on a 2018 Chevrolet Silverado?

Repair costs vary but can range from $150 to $500, depending on whether cleaning, valve replacement, or additional diagnostics are needed.

7. Can a dirty air filter cause the P02E5 code?

While a dirty air filter can restrict airflow, it is unlikely to directly cause the P02E5 code, which specifically relates to the intake air flow valve being stuck.

8. How can I prevent the P02E5 code from occurring again?

Regular maintenance such as cleaning the intake system, replacing the air filter, and ensuring proper operation of the intake air flow valve can help prevent this code.

9. Will clearing the P02E5 code with a scanner fix the problem?

Clearing the code will turn off the check engine light temporarily, but it wonâ€™t address the underlying issue causing the code.

10. Do I need special tools to diagnose the P02E5 code on my 2018 Chevrolet Silverado?

Diagnosing this code may require an OBDII scanner, a multimeter for electrical testing, and possibly access to service manuals for specific troubleshooting steps.