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BMW TSB #B090318
2019 BMW X5
TSB Document:
Affected Component: EQUIPMENT:ELECTRICAL
- Summary
- RAM CONTROL UNIT: CANNOT BE ENCODED / NO SOUND OUTPUT. After programming the RAM (audio amplifier) one of the following errors may occur: 1. Coding of the RAM-01 audio amplifier fails repeatedly. 2. The RAM-01 audio amplifier was successfully programmed and encoded with ISTA. However after the vehicle goes to sleep, the sound output no longer works. The root cause for this error is still under investigation.
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