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The ECU Pro offers professional vehicle CPC4 (Common Powertrain Controller) testing, repairs, and replacement services. All our vehicle CPC4 repair services are mail-in repairs and 100% plug-and-play. Once installed in your vehicle, no other coding will be required.

Repairs for Detroit Diesel CPC4

  • Intermittent throttle or dead throttle
  • Non start conditions
  • CPC hardware failure with code SPN 609 FMI 12
  • Check engine light is on for CPC
  • ABS engine light due to CPC
  • DEF engine light from CPC failure

How do vehicle CPC Mail-In Repairs work?

The ECU Pro offers an expedited mail-in CPC4 repair service for vehicle trucks. To have your unit vehicle CPC4 repaired, simply remove the CPC ( time required +-15-30 minutes) and mail it to us. Our professional team will either test, repair, or clone your unit to a new unit.

In order to have your CPC repaired, tested, or cloned follow the steps below:

  1. Send your current CPC to us.
  2. We will run a full diagnostic test on your CPC and send you the report.
  3. A repair or replacement solution will be offered, which you can decide on.
  4. If the unit requires a repair or clone, we will deduct the testing fee from the remaining balance.

Our mail-in vehicle CPC4 repair service is 100% plug-and-play and doesn't require any additional coding.