Perkins — ECM. A new ECM will allow these parameters to
A Perkins service procedure — check it applies to your exact model before use.
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Procedure
- Rerate the engine.
- Clear engine events and certain diagnostic codes.
Source: manual:cd0c0b.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.