Get Back on the Road with Confidence – CPC4 Module Repair for Part #A0034461002

Restore your Freightliner Cascadia with expert CPC4 (Common Powertrain Controller) repair services from Module Repair Lab. Our technicians specialize in identifying failure symptoms, performing detailed diagnostics, and delivering reliable repairs to get your truck moving again — quickly and affordably.

If you're driving a 2014–2019 Freightliner Cascadia, you may already know that CPC4 modules can fail due to excessive heat, vibration, moisture, or internal electronic wear. Whether your unit is showing intermittent issues or has completely stopped working, fast and accurate repair is critical to avoid extended downtime.

That’s where we come in.

At Module Repair Lab, we offer professional repair solutions for CPC4 part number A0034461002. Every module sent to us undergoes a full diagnostic workup. If a fault is found, we’ll restore it using high-precision tools, including BGA rework and component-level repair — ensuring your CPC4 returns in optimal working condition.

If no issues are detected, we return the module to you untouched and fully functional — no unnecessary work or fees.

All repairs are tested, cleaned, and returned plug-and-play ready with no programming required.

Key Features of Our CPC4 Repair Services:

• ✅ 100% plug-and-play – No additional coding or dealer programming needed

• ✅ Fast 1–3 day turnaround – Most repairs are completed within three business days

• ✅ 4-Month warranty included – All CPC4 repairs come with a 4-month parts and labor warranty

Common CPC4 Problems We Repair:

• No start / Intermittent start

• Dead or inconsistent throttle

• CPC reads incorrectly (e.g., as CPC2, TCM, etc.)

• SPN 609 FMI 12 – CPC hardware failure

• Check engine, ABS, or DEF warning lights

• Loss of communication with ECM or dash cluster

Supported Freightliner Cascadia Model Years:

• 2014 Freightliner Cascadia

• 2015 Freightliner Cascadia

• 2016 Freightliner Cascadia

• 2017 Freightliner Cascadia

• 2018 Freightliner Cascadia

• 2019 Freightliner Cascadia

Supported CPC4 Part Numbers:

• A0034461002 / 001

• A0034461002 / 002

• A0034461002 / 003

• A0034461002 / 004

• A0034461002 / 005

Please ship your module to the following address:

Module Repair Lab
8698 Elk Grove Blvd Ste 1, Elk Grove, CA 95624

Make sure to include your contact information and order number inside the package to help us process your repair quickly.

We recommend using a trackable and insured shipping method to ensure safe delivery. Once your repair is complete, we will ship it back to the return address you provide.

If you have any questions, feel free to contact us.

Warranty coverage varies depending on the specific product being repaired. Please refer to the individual product page for the most up-to-date warranty information.

In general, our warranty covers the repaired part for a defined period beginning on the date of repair. If a malfunction occurs within the warranty period, we will repair the item at no additional cost. In rare cases where the item is deemed irreparable, we reserve the right to either replace the circuit board or refund the cost of repair, at our discretion.

This warranty is non-transferable and applies only to the original purchaser. Damage resulting from misuse, accidents, improper installation, or unauthorized repairs is not covered and will void the warranty.

If you have any questions regarding the warranty for your specific repair, please contact us directly.