AutoCodes – Chevrolet – P1468 2022 Chevrolet Silverado

P1468 2022 Chevrolet Silverado Code - EVAP Purge Pump Overspeed

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: P1468 2022 Chevrolet Silverado indicates EVAP Purge Pump Overspeed.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 549

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
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P1468 2022 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 greater than 240 RPM when commanded off for greater than 5 s.

OBDII Code P1468 2022 Chevrolet Silverado - EVAP Purge Pump Overspeed - AutoCodes.com — P1468 2022 Chevrolet Silverado Code - EVAP Purge Pump Overspeed

What does this mean?

What are the Possible Causes of the DTC P1468 2022 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 P1468 2022 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1468 2022 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 P1468 2022 Chevrolet Silverado code?

Need more information on how to fix the P1468 2022 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1468 2022 Chevrolet Silverado 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 P1468 2022 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1468 in a 2022 Chevrolet Silverado?

The common symptoms of code P1468 include check engine light illumination, rough idling, and decreased fuel efficiency.

2. What does the OBDII code P1468 indicate in a 2022 Chevrolet Silverado?

Code P1468 indicates a potential issue with the EVAP purge pump overspeed in the vehicle's emission control system.

3. What are the possible causes of code P1468 in a 2022 Chevrolet Silverado?

Possible causes of code P1468 include a faulty EVAP purge pump, damaged wiring or connectors, vacuum leaks in the EVAP system, or a malfunctioning EVAP pressure sensor.

4. How can I diagnose the EVAP purge pump overspeed issue in my 2022 Chevrolet Silverado?

Diagnosing the EVAP purge pump overspeed issue may involve checking the EVAP system for leaks, testing the purge pump operation, inspecting the wiring and connectors, and verifying the functionality of the EVAP pressure sensor.

5. Can I continue driving my 2022 Chevrolet Silverado with OBDII code P1468?

It is not recommended to drive the vehicle with an unresolved EVAP purge pump overspeed issue, as it can lead to increased emissions, reduced fuel efficiency, and potential damage to other emission control components.

6. How can I repair OBDII code P1468 in my 2022 Chevrolet Silverado?

Repairing code P1468 may involve replacing the faulty EVAP purge pump, repairing damaged wiring or connectors, fixing vacuum leaks in the EVAP system, or replacing the malfunctioning EVAP pressure sensor.

7. Will resetting the check engine light fix code P1468 in a 2022 Chevrolet Silverado?

Resetting the check engine light may temporarily clear the code, but it will not fix the underlying issue causing code P1468. It is important to diagnose and repair the problem to prevent it from recurring.

8. How much does it cost to repair OBDII code P1468 in a 2022 Chevrolet Silverado?

The cost of repairing code P1468 can vary depending on the exact cause of the issue, the parts needed for the repair, and labor costs. It is recommended to consult a professional mechanic for an accurate estimate.

9. Can a DIY enthusiast fix OBDII code P1468 in a 2022 Chevrolet Silverado?

While some aspects of diagnosing and repairing code P1468 may be possible for a DIY enthusiast, dealing with the EVAP system and emission control components can be complex. It is advisable to seek professional help for proper diagnosis and repair.

10. How often does OBDII code P1468 occur in a 2022 Chevrolet Silverado?

The occurrence of code P1468 can vary depending on driving conditions, maintenance history, and the overall health of the vehicle's emission control system. If the issue is not addressed promptly, it may recur intermittently.