Power Solutions International — Replace ECM
Repair & overhaul
From a Power Solutions International service manual — check it applies to your exact model before use.
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Before you start
- Controller is calibrated for each engine; verify correct controller
Procedure
- Disconnect negative battery cable
- Remove controller from mounting bracket
- Push connector lock back to unlock connector
- Unplug controller and remove
- Plug connector into new controller
- Push lock into place
- Mount controller into mounting bracket
- Reconnect battery cable
- Install Diagnostic service tool
- Start engine
- Check for any DTC codes and clear
- Verify engine is in closed loop and no MIL lights are present
Tools required
- Diagnostic service tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Power Solutions International service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.