Sporadic failure of different audio channels.
MINI technical service bulletin M650516 for 2014-2015, 2017 MINI Cooper, 2014-2016 MINI Cooper S and 2016 MINI Cooper Convertible and others.
- Bulletin number
- M650516
- Component
- Equipment: electrical: radio/tape deck/cd etc.
- Summary
- SPORADIC FAILURE OF DIFFERENT AUDIO CHANNELS. Intermittently, different speakers may be inoperative during an entire drive cycle until the vehicle enters sleep mode and the vehicle is restarted. Shut-down of output circuit(s) from pressure variations caused by door shutting during diagnostic self-test. After unlocking the vehicle the Harman/Kardon (HK) Amplifier goes into a speaker self-test mode. If a door is slammed during this self-test vibrating the speaker cone, the HK amplifier may interpret the changing resistance of the speaker as a circuit failure. The HK Amplifier will then go into protection mode and turn off the output transistor(s) for the particular speaker(s) until the next selftest which is performed after the next sleep cycle.
Vehicles covered
- MINI Cooper 2014-2015, 2017 201420152017
- MINI Cooper S 2014-2016 201420152016
- MINI Cooper Convertible 2016 2016
- MINI Clubman 2017 2017
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