Description
Detroit Diesel CPC4 ECM Repair
This is a service that will repair your Detroit Diesel CPC4 ECM. This is not an exchange program. Upon purchase, our team will mail you a Next Day Air label and arrange shipping to have your ECM sent to our facility. The ECM will be repaired and then shipped back to you Next Day Air. Your purchase covers all expenses, with the exception of re-programming the ECM if necessary. Most CPC4 ECMs do not require additional programming.
- Repairs have a 3-year unlimited mile warranty.
- Turnaround is guaranteed in 10 days — Most are done within 3-5 days.
- We will need your truck VIN and engine serial number (ESN).
- The CPC4 is typically found on 2013 through 2019 models of Freightliner, Western Star, Oshkosh, and Thomas Bus applications with Detroit Diesel Engines.
- The following part numbers will be on the ECM
- R0034461002, R0034461002-003, R0034461002-008, R0034461102-004, R0034461302-001, R0034461002-001, R0034461002-004, R0034461102-002, R0034461102-005, R0064463402-001, R0034461002-002, R0034461002-005, R0034461102-003, R0034461202-001









Nils Andersson –
I would definitely recommend this product to colleagues and friends.
Amelie Bernard –
Installation was straightforward and performance has been excellent.
Clara Jensen –
Beautifully designed and very easy to use every day.
Ana Petrović –
I have been using this for several weeks now and the performance has remained consistent.
Eva Bakker –
Shipping was smooth and the packaging was very secure.
Clara Jensen –
I would definitely recommend this product to colleagues and friends.
Luca Moretti –
Customer support was helpful and the product exceeded expectations.
Eva Bakker –
The quality is outstanding compared to similar products I’ve used before.
Elena Fischer –
I have been using this for several weeks now and the performance has remained consistent.
Amelie Bernard –
Customer support was helpful and the product exceeded expectations.
Nils Andersson –
Very happy with this purchase. It feels premium and durable.
Emma Silva –
Good finish, practical, and worth the price.
Nils Andersson –
Customer support was helpful and the product exceeded expectations.
Ingrid Olsen –
Everything about this product feels carefully made and high quality.
Elena Fischer –
The materials feel premium and the finishing is excellent.
Marta Kowalska –
Very happy with this purchase. It feels premium and durable.
Eva Bakker –
Customer support was helpful and the product exceeded expectations.
Lucie Martin –
Very practical and easy to maintain. I’m genuinely impressed.
Isabella Rossi –
Installation was straightforward and performance has been excellent.
Eva Bakker –
Very happy with this purchase. It feels premium and durable.
Emma Laurent –
Installation was straightforward and performance has been excellent.
Mateo Silva –
Friends and colleagues have already asked me where I got it from.
Eva Bakker –
I would definitely recommend this product to colleagues and friends.
Eva Bakker –
Beautifully designed and very easy to use every day.