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Home >> Volvo >> 2009 >> V70 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Charging System, Electrical Control Modules, Engine Control Module (ECM) - Design And Function >> Phone Module (PHM) (2008-2009) >> Diagnostic Functions >> Reinstalling The Reserve Battery
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Reinstalling The Reserve Battery

This service can reset the value to 100% when the reserve battery has been replaced. After replacing the reserve battery in the phone module (PHM) with Volvo On Call functionality the battery algorithm must restored.

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