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Home >> BMW >> 2017 >> 320i Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes (N20 & N26) >> Fault Code Tests >> DTC P1657: BMW DTC 1F4D10; DME -- Internal Control Module Error, Control Circuit Fuel Volume Regulator >> Fault description
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Fault description

The Diagnosis monitors the DME for internal malfunctions.

Fault monitoring conditions:

Technical details are not relevant for troubleshooting in Service.

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