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Home >> Volvo >> 2004 >> S40 LSE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 168 (Switch For Start Control Unit, Frozen Values, And Status Identifier - Description (544 Body)) >> Fault Tracing >> Description Of Frozen Values, Headlamp Control Module (HCM) >> MECU Power Supply, Value

MECU Power Supply, Value

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Measurement range: 0 - 63 V

Normal range: 12.0 - 14.5 V

The value indicates the power supply to the central electronic module (CEM) when the diagnostic trouble code was generated.

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