Mulsanne Premium Audio Amplifier-No sound with DTC's-UD140600 and/or UD140B00. Customer statement /...
Bentley technical service bulletin 2062569/1 for 2011-2016 Bentley Mulsanne.
- Bulletin number
- 2062569/1
- Component
- Equipment
- Summary
- Mulsanne Premium Audio Amplifier-No sound with DTC's-UD140600 and/or UD140B00. Customer statement / workshop findings: - No sound from the Premium Amplifier - Sporadic high quiescent battery drain - Diagnostic Trouble Codes UD140600 High Static Current and UD140B00 Energy Management Active may be stored. Technical background: The Premium Amplifier does not shut down when the vehicle ignition is deactivated, this is due to a missing or ignored message between the Amplifier Power Board and the Amplifier Main Controller.
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