AutoCodes – Chevrolet – P02E5 2015 Chevrolet Silverado

P02E5 2015 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 2015 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 316

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 2015 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 2015 Chevrolet Silverado - Intake Air Flow Valve Stuck Closed - AutoCodes.com — P02E5 2015 Chevrolet Silverado Code - Intake Air Flow Valve Stuck Closed

What does this mean?

What are the Possible Causes of the DTC P02E5 2015 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 2015 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

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P02E5 2015 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.

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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 2015 Chevrolet Silverado Code

1. What does the OBDII code P02E5 mean on a 2015 Chevrolet Silverado?

P02E5 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 code P02E5 in a 2015 Chevrolet Silverado?

Common symptoms include reduced engine performance, poor acceleration, rough idling, and possible triggering of the check engine light.

3. What causes the intake air flow valve to get stuck closed?

The valve may get stuck due to carbon buildup, a faulty actuator, electrical issues, or mechanical damage to the valve assembly.

4. Can I drive my Silverado with the P02E5 code?

While it may be possible to drive with this code, it is not recommended as it can lead to reduced performance, poor fuel economy, and potential engine damage if left unaddressed.

5. How is the P02E5 code diagnosed on a 2015 Chevrolet Silverado?

A mechanic will use an OBDII scanner to confirm the code, inspect the intake air flow valve for physical obstructions, check the actuator and wiring, and test the valve's functionality.

6. How can I fix the P02E5 code on my Silverado?

Repairs may include cleaning or replacing the intake air flow valve, repairing damaged wiring or connectors, or replacing a faulty actuator.

7. How much does it cost to fix the P02E5 code?

The cost can vary, but cleaning the valve may cost $100â€“$200, while replacing it or its actuator could range from $300â€“$600, depending on labor and parts.

8. 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. However, itâ€™s still a good idea to check and replace it if necessary.

9. Is the P02E5 code related to the mass air flow (MAF) sensor?

The P02E5 code is specific to the intake air flow valve, not the MAF sensor. However, both components are part of the air intake system and should be inspected for related issues.

10. Will resetting the check engine light fix the P02E5 code?

Resetting the light will not fix the underlying issue. The problem must be properly diagnosed and repaired to prevent the code from returning.