AutoCodes – Chevrolet – P1469 2019 Chevrolet Silverado

P1469 2019 Chevrolet Silverado Code - EVAP Purge Pump Speed Too Low

Quick Answer

Purge capacity is being reduced by technologies that improve fuel economy. Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump 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: P1469 2019 Chevrolet Silverado indicates EVAP Purge Pump Speed Too Low.
Common causes: Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump 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 364

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 Apr 18, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1469 2019 Chevrolet Silverado Description

Purge capacity is being reduced by technologies that improve fuel economy. The Evaporative Emission Purge Pump is used to purge stored vapors from the Evaporative Emission Canister and is required to increase the purge volumes to meet LEV 3 Evaporative Emission requirements. The Evaporative Emission Purge Pump has an integral pressure sensor for controlling purge vapors from the canister. The Engine Control Module (ECM) monitors the Evaporative Emission Purge Pump, and the Diagnostic Trouble Code (DTC) will be set when the EVAP Purge Pump Speed is less than 100 RPM for greater than 5 s.

OBDII Code P1469 2019 Chevrolet Silverado - EVAP Purge Pump Speed Too Low - AutoCodes.com — P1469 2019 Chevrolet Silverado Code - EVAP Purge Pump Speed Too Low

What does this mean?

What are the Possible Causes of the DTC P1469 2019 Chevrolet Silverado?

Faulty Evaporative Emission Purge Pump
Evaporative Emission Purge Pump harness is open or shorted
Evaporative Emission Purge Pump circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P1469 2019 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

Some 2019-2020 Chevrolet Silverado and GMC Sierra with 2.7L engine may have the Service Engine Soon (SES) Warning Light ON with Diagnostic Trouble Code (DTC) P1467 and/or P1469 set in the Engine Control Module (ECM). The cause is the Evaporative Emission Purge Pump may be filling with liquid fuel due to overfilling the fuel tank. There is a Factory Service Bulletin for this issue, the dealer will inspect the vehicle and replace the Evaporative Emission Purge Pump.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1469 2019 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 P1469 2019 Chevrolet Silverado 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 P1469 2019 Chevrolet Silverado Code

1. What does OBDII code P1469 on a 2019 Chevrolet Silverado indicate?

Code P1469 in a 2019 Chevrolet Silverado signifies an issue with the EVAP Purge Pump Speed being too low.

2. What are the common symptoms of OBDII code P1469 in a 2019 Chevrolet Silverado?

Common symptoms of code P1469 may include difficulty starting the vehicle, reduced fuel efficiency, and the illumination of the check engine light.

3. What are the possible causes of OBDII code P1469 in a 2019 Chevrolet Silverado?

Potential causes of code P1469 can include a faulty EVAP purge solenoid, a malfunctioning EVAP purge pump, a clogged EVAP system, or damaged wiring.

4. How can I diagnose the OBDII code P1469 in my 2019 Chevrolet Silverado?

Diagnosing code P1469 typically involves using an OBDII scanner to retrieve the code, inspecting the EVAP system for any visible damage, and testing the EVAP purge pump and solenoid for proper operation.

5. Can I continue driving my 2019 Chevrolet Silverado with OBDII code P1469?

While the vehicle may still be operable with code P1469 present, it is recommended to have the issue diagnosed and repaired promptly to prevent potential damage to the EVAP system.

6. How can I repair OBDII code P1469 in my 2019 Chevrolet Silverado?

Repairing code P1469 may involve replacing the EVAP purge pump, solenoid, or addressing any clogs or wiring issues in the EVAP system. It is advisable to consult a professional mechanic for accurate diagnosis and repair.

7. Is it possible to reset OBDII code P1469 in a 2019 Chevrolet Silverado without fixing the underlying issue?

Resetting the code without addressing the root cause is not recommended, as the issue will likely persist, and the check engine light will illuminate again once the problem is detected by the vehicle's system.

8. How much does it cost to fix OBDII code P1469 in a 2019 Chevrolet Silverado?

The cost of repairing code P1469 can vary depending on the specific cause of the issue, the parts needed for replacement, and the labor rates of the repair shop. It is advisable to obtain quotes from different mechanics for an accurate estimate.

9. Can a DIY enthusiast tackle the repair of OBDII code P1469 in a 2019 Chevrolet Silverado?

While some aspects of diagnosing and repairing code P1469 may be within reach of skilled DIY enthusiasts, dealing with the intricate components of the EVAP system may require specialized tools and expertise, making professional assistance advisable.

10. How can I prevent OBDII code P1469 from recurring in my 2019 Chevrolet Silverado?

To prevent the recurrence of code P1469, it is essential to perform regular maintenance on the EVAP system, such as checking for leaks, ensuring proper fuel cap closure, and promptly addressing any issues related to the EVAP components.