Freightliner Cascadia, 122SD, M2, Western Star Trucks CPC4 Module REPAIR service
Regular price$699.99
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Key Features of Our CPC4 (Common Powertrain Controller 4) Repair Service:
- Plug-and-Play Convenience – No additional programming or coding required if the original module is sent.
- Quick Turnaround – Repairs are typically completed within 1 to 4 days.
- 1-Year Warranty – Backed by a reliable one-year warranty for quality assurance and long-term performance.
This Service Fixes the Following Problems
- Starting problems – Truck fails to start or starts intermittently.
- Throttle issues – Unresponsive or inconsistent throttle response.
- Incorrect module detection – CPC misreads as a different module (e.g., CPC2, TCM).
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Hardware failure – Fault code SPN 609 FMI 12 indicating CPC hardware failure.
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Communication failures – Our repair service may resolve issues such as:
• Check engine light remaining on.
• ABS warning light staying illuminated.
• DEF system light staying on.
• Instrument cluster losing communication.
This Service Does Not Fix the Following Problems
- Physical Damage
- Damages done by previous attempts to repair
- Any issues not mentioned above
Compatibility
Freightliner Trucks:
- Cascadia (2014–2019)
- 122SD (2013 and newer)
- M2 (2013 and newer)
Western Star Trucks:
- Models featuring Detroit Diesel engines
Oshkosh Trucks:
- Models from 2013 onward with Detroit Diesel engines
Terex Trucks:
- Models from 2013 onward with Detroit Diesel engines
Pierce Trucks:
- Models from 2013 onward with Detroit Diesel engines
NOTE: Your unit must look like the unit on the picture
Non-repairable unit
There are some rare cases that the unit may be not repairable. If that's the case, we will either issue you a full refund or source out a replacement unit (you will be responsible for the replacement cost).
Terms and Conditions:
- This sale is for a repair service, not a part. We do not have any for sale.
- You are responsible to package your part in such a way that it will not be damaged. We will return it in same packaging. If we receive it damaged we will always send you a picture.
- Very rarely, we may encounter an issue that we are unable to repair. In this case, we can send it back to you or you will have the option to donate it to us for parts.
- If there is a problem with your unit once you receive it back, Contact us. We will work hard to resolve any problem.
- For complete terms of service and privacy policy click HERE
Warranty Info:
- This repair service includes a lifetime warranty, unless otherwise specified. Warranty covers work done to your unit.
- Domestic shipping will be covered both ways for the first 3 months after receiving your unit. after that you will have to pay shipping to us. We do NOT cover shipping costs under any circumstances for international warranty claims.
- Warranty is not transferable if you sell the car. We log all customer data and give out a warranty number for tracking.
Part Numbers: A0034461002 / 001, A0034461002 / 002, A0034461002 / 003, A0034461002 / 004, A0034461002 / 005, A0034461102 / 002, A0034461102 / 003, A0034461102 / 004, A0034461102 / 005, A0034461202 / 001, A0034461302 / 001, A0064463402 / 001
Step 1
After purchase, carefully remove the unit from your vehicle.At this time please take pictures of your unit for your records. (This is to help in the case it gets damaged or scratched up)
Step 2
Securely pack your unit, using a suitable box so that your unit will not get damaged during shipment. Include the following Information:- Your Name
- Return Address
- Contact Phone Number
- Description of Issues with your unit
- Vehicle Year, Make, and Model
- LED COLOR (if you are purchasing a service that includes LEDs)