Prices for a Honda Engine Control Module (ECM) replacement typically range from about $200 to $1,200 for the part itself, with the total including programming and installation often landing between $400 and $1,800, depending on model and source.
What influences the price
The cost of a Honda ECM varies widely based on whether you buy a new OEM unit, a remanufactured part, an aftermarket alternative, or a used module. Other key factors include the specific Honda model and year, whether the ECM is VIN-programmed, and the programming and labor required to pair the part with your vehicle’s immobilizer system.
Options and typical price ranges
Below is a snapshot of common sources for a Honda ECM and how they typically price the part. This overview reflects typical market conditions across major retailers and dealers as of 2026.
- New OEM Honda ECM from a dealership: Part price commonly around $600–$1,200. Many models require dealership-level programming, and some prices may include basic programming while others bill separately.
- Remanufactured OEM ECM (rebuilt by a licensed shop): Approximately $300–$700 for the part. Reprogramming to your VIN is often required and can add $100–$300.
- Aftermarket/non-OEM ECM: Typically $200–$500 for the part. Compatibility can vary; verify model/year and immobilizer support, and expect potential programming needs.
- Used or salvage ECM: About $50–$300 for the part, depending on mileage and condition. Higher risk of unknown history; programming is usually needed for proper operation.
Labor and programming costs are additional and can significantly affect total expense. Installation typically runs $100–$300, while dealer-level programming or immobilizer pairing can add another $80–$250 depending on the vehicle and location.
Tips for obtaining the right ECM
To avoid compatibility issues, confirm the exact part number and cross-reference it with your vehicle’s VIN. If your Honda uses an immobilizer, be prepared for programming or pairing at a qualified shop or dealer. Always verify return policies and warranty on the part in case it doesn’t fit or function as expected.
Key checks before buying
Check the vehicle identification number (VIN), engine code, and the OEM part number printed on the existing ECM. Ensure the seller can confirm VIN compatibility or provide a VIN-specific ECM. Ask whether the price includes programming, and choose a provider offering a city-level warranty on the part and the service.
Summary
Replacing a Honda ECM involves more than the price of the part. Buyers should weigh the options—new OEM, remanufactured, aftermarket, or used—along with programming and installation costs. While new OEM units offer reliability, remanufactured and used ECUs can save money when properly matched and programmed by a qualified technician. Always verify compatibility with your VIN and budget for potential programming work to ensure a smooth replacement.