Additional Images


Pricing: $850.00


Don't want to buy a new ECM/PCM after its failed? Whipple Superchargers, the performance technology people, can now repair many of the 2001 to 2018 model year Motorola 555 ECM and PCM’s used on the Mercury Marine and Mercury Racing engines. Common issues such as the IAC failures, total power loss, coil driver failures, fuel pump staying on and many others can now be repaired saving you thousands of dollars. No need to spend $2000+ on a new computer, just let the experts at Whipple fix if for you. 

This is as simple as removing the ECM/PCM from your engine (3-bolts and 3-connectors), shipping to Whipple Superchargers with details of the failure and possible codes found and within a couple of days, you can have your ECM/PCM back ready to bolt on and go boating. No tuning, no reworking components, no head aches, just bolt on and go. Each repair includes a 1-year warranty of the repair.

ECM/PCM repairs for some of the following: 200, 225, 250, 275, 300 XS engines. 135, 150, 175, 200, 225, 250, 275, 300, 350, 400 Verado engines. 4.3L MPI, 5.0L MPI, 350 Magnum MPI (and Horizon), 350 Scorpion, 6.2 MX MPI, 377 Magnum, 377 Scorpion, 496 Magnum Base, 496 Magnum HO, 525HP EFI, 600SCI, 662SCI, 700SCI, 748SCI, 850SCI, 1025SCI, 1075SCI, 1200SCI. 

Whipple cannot diagnose general running issues. Its important that you first diagnose your issue, get a code reading from a certified dealer and report this information to Whipple for proper repair. 

Ship damaged PCM along with detailed information on trouble codes and symptoms:

Whipple Superchargers

Attention: PCM Repair

3292 N. Weber Ave

Fresno, CA 93722

*There is a minimum $100 inspection fee whether the PCM can be repaired or not.

*Whipple does not repair MEFI, Volvo, Crusader, E-Controls or any other PCM.


  • 2419
  • New


Shipping Information

  • Item Requires Shipping
  • 10.0 lbs.
  • W8.0000” x H8.0000” x L8.0000”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.