Mercury Marine PCM0308M 885557 — Professional PCM Repair Service

Send us your Mercury Marine PCM0308M (Part# 885557) and we will return it fully reconditioned, tested, and ready to install — saving you the time and expense of purchasing and programming a new unit.

Manufacturer Part Number: PCM0308M | 885557

Compatible Part Numbers: 885557-031 · 856496-13 · P180901003 · PCM42640806 · 885557-007 · PCM31421160

Applications: Mercury 200DFI · Mercury 225DFI · Mercury Verado · Mariner 135 HP · Mariner 150 HP

We diagnose the unit upon arrival. If the unit is not repairable or no fault is found, the diagnostic fee is $200 and we will refund the difference.

Warranty

Every repair is backed by a 1-year warranty. We don't just fix the fault — we ensure the unit is built for long-term reliability and performance.

Common Problems We Fix

Blowing fuses
No communication / no start
Engine shutting down unexpectedly
Fault codes stored in unit
Intermittent faults
Oil or water intrusion damage
Injector driver faults

How the Process Works

Ship your unit to our Florida facility. Our engineers diagnose, repair, and test the PCM using the latest simulation technology. We ship it back ready to install — no programming required on your end.

Why Choose ECM Engineering USA

Over 15 years of experience, more than 10,000 ECMs and PCMs repaired, and a team of engineers with the latest diagnostic and simulation equipment. We are happy to discuss your fault codes before you ship — contact us anytime.