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P1469 2020 Chevrolet Silverado Code - EVAP Purge Pump Speed Too Low

Quick Answer

The P1469 code for a 2020 Chevrolet Silverado indicates a problem with the EVAP (Evaporative Emission Control) system, specifically that the purge pump speed is too low. Common causes include Faulty purge pump, Clogged EVAP canister, Leak in the EVAP system. 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 2020 Chevrolet Silverado indicates EVAP Purge Pump Speed Too Low.
Common causes
Common causes include Faulty purge pump, Clogged EVAP canister, Leak in the EVAP system.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P1469 2020 Chevrolet Silverado Description

The P1469 code for a 2020 Chevrolet Silverado indicates a problem with the EVAP (Evaporative Emission Control) system, specifically that the purge pump speed is too low. The EVAP system is responsible for capturing and storing fuel vapor emissions from the fuel tank to prevent them from being released into the atmosphere. The purge pump is a crucial component of this system, as it helps to draw fuel vapors into the engine to be burned off during combustion.

OBDII Code P1469 2020 Chevrolet Silverado - EVAP Purge Pump Speed Too Low
P1469 2020 Chevrolet Silverado Code - EVAP Purge Pump Speed Too Low

Common Causes of P1469 2020 Chevrolet Silverado

  1. Faulty purge pump
  2. Clogged EVAP canister
  3. Leak in the EVAP system
  4. Malfunctioning purge valve

Symptoms of P1469 2020 Chevrolet Silverado

  1. Decreased fuel efficiency
  2. Loss of engine performance
  3. Check Engine Light illuminated
  4. Failed emissions test

How to Fix P1469 2020 Chevrolet Silverado

  1. Diagnose the issue using a scan tool to determine the exact cause of the code.
  2. Inspect the EVAP system for any leaks or damage.
  3. Test the purge pump and purge valve for proper operation.
  4. Replace the faulty component (e.g., purge pump, purge valve, EVAP canister) as needed.
  5. Clear the code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1469 2020 Chevrolet Silverado

The typical repair costs for addressing a P1469 code on a 2020 Chevrolet Silverado can range from $150 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check local rates for a more accurate estimate. Additionally, rates may be higher at dealerships or in metropolitan areas, while independent shops often charge less.

What does this mean?

Tech Notes for P1469 2020 Chevrolet Silverado

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.

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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 2020 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1469 in a 2020 Chevrolet Silverado?

The common symptoms of P1469 include a check engine light illuminated on the dashboard, decreased fuel efficiency, and potential issues with the vehicle's emissions system.

2. What does the OBDII code P1469 - EVAP Purge Pump Speed Too Low indicate in a 2020 Chevrolet Silverado?

Code P1469 typically indicates that the evaporative emission (EVAP) purge pump is not operating at the expected speed, which can lead to problems with the vehicle's emission control system.

3. What are some possible causes of OBDII code P1469 in a 2020 Chevrolet Silverado?

Potential causes of code P1469 include a faulty EVAP purge pump, wiring issues in the EVAP system, a clogged EVAP canister, or a malfunctioning EVAP pressure sensor.

4. How can I diagnose the OBDII code P1469 in my 2020 Chevrolet Silverado?

Diagnosing code P1469 may involve using an OBDII scanner to retrieve the code, inspecting the EVAP system components for damage or leaks, testing the purge pump speed, and checking the wiring for any faults.

5. Can I continue driving my 2020 Chevrolet Silverado with OBDII code P1469?

While the vehicle may still be operable with code P1469, it is important to address the issue promptly to prevent potential damage to the emissions system and ensure optimal vehicle performance.

6. How can I repair OBDII code P1469 in my 2020 Chevrolet Silverado?

Repairing code P1469 may involve replacing the EVAP purge pump, repairing any damaged wiring, cleaning or replacing the EVAP canister, or addressing any other identified issues in the EVAP system.

7. Will resetting the check engine light resolve OBDII code P1469 in a 2020 Chevrolet Silverado?

Simply resetting the check engine light may temporarily clear the code, but it will not fix the underlying issue causing code P1469. It is recommended to diagnose and repair the problem to prevent the code from reoccurring.

8. How much does it typically cost to fix OBDII code P1469 in a 2020 Chevrolet Silverado?

The cost of repairing code P1469 can vary depending on the specific cause of the issue, the labor rates in your area, and whether any parts need to be replaced. It is advisable to consult a mechanic for an accurate estimate.

9. Can a DIY enthusiast fix OBDII code P1469 in a 2020 Chevrolet Silverado?

Depending on your skill level and access to tools, some DIY enthusiasts may be able to address code P1469 by following repair guides or tutorials. However, complex issues or component replacements may require professional assistance.

10. How often does OBDII code P1469 - EVAP Purge Pump Speed Too Low occur in 2020 Chevrolet Silverado vehicles?

While the occurrence of code P1469 can vary, it is not a common issue in 2020 Chevrolet Silverado vehicles. However, regular maintenance and inspections of the EVAP system can help prevent such diagnostic trouble codes from appearing.

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