2017 - 2019 GMC 6.6L Duramax L5P Turbo Actuator Repair

1 Year Warranty
2 Day Turnaround Time
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Product Details

This is a repair service for an L5P Turbo Actuator found in 2017 to 2019 Duramax Diesel trucks with 6.6L engines. The most common problem with these actuators are often indicated by one or more of the following diagnostic trouble codes or issues:

  • P003A
  • P0046

You may experience a "reduced engine performance" warning with a Rough spool-up Turbo not running in operation.

If your vehicle is 2020-2023 please see this L5P Turbo Actuator Repair listing.

Your Turbo Actuator will need to be calibrated after reinstalling.

Benefits of our Repair

  • 1-Year Warranty
  • World class customer support
  • IPC Certified Technicians
  • 100% USA remanufacturing and repair at our facility in Greenville, SC



1 Year Warranty

Our no-hassle warranty covers your repair for a full year. If the repair fails anytime within a year, we will repair the item again. In the rare occasion that the item is not repairable, we will either replace the circuit board entirely or refund the cost of the repair, at our discretion. All Circuit Board Medics warranties are non-transferable and apply only to the original purchaser.

Circuit Board Medics LLC is not liable for and hereby excludes any and all indirect, incidental, special, or consequential damages related to the use of services rendered by Circuit Board Medics LLC. Due to the nature of electronics and circuit board repair, Circuit Board Medics LLC cannot guarantee components and circuitry unrelated to the specific repair of symptoms covered in the description of services. In the event that an item is not functioning properly after repair, the customer will have the option to return it to Circuit Board Medics LLC for further testing. It is the responsibility of the customer to contact Circuit Board Medics LLC for return authorization before returning the item.Shipping fees for items being returned for testing are the responsibility of the customer. If the item has failed due to failed components or faulty workmanship, Circuit Board Medics LLC retains the right of choice to repair the item at no extra charge or offer a refund of the cost of repair initially paid to Circuit Board Medics LLC by the customer. If it is determined that the failure occurred due to external causes (i.e. faulty wiring, improper installation, failed external components, etc.), any guarantee, written or implied, will be considered null and void. Circuit Board Medics LLC is released of all liability, without limitation, for loss of profits, use, income, product, production, increased cost of operation, rental vehicle fees, or other loss arising in connection with the use of services rendered by Circuit Board Medics LLC. In no circumstances will Circuit Board Medics LLC be held liable or responsible for damages exceeding the total cost of repair paid to Circuit Board Medics LLC by the customer. This warranty is non-transferable and applies only to the original purchaser. This warranty is limited by the lifespan of the product or system in which it is being installed (i.e. when an automobile reaches the end of its useful life, a rebuilt instrument cluster cannot be transplanted into a replacement vehicle with continuous warranty coverage). Circuit Board Medics LLC makes no guarantee of the completeness of accuracy of information offered for troubleshooting assistance and will not be held responsible for the improper diagnosis of components by others.