If your 2020 Volkswagen Atlas shows communication or drivability issues, note the factory caution about signal flow between the engine, ABS and AWD modules; proper relearn can restore function.
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2019 Volkswagen Atlas 2.0L Engine Control Module and PCM Replacement
2019 Volkswagen Atlas 2.0L PCM/ECM failure: no-start, stalling. Factory caution: data bus to AWD module. Learn replacement, programming, options.
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2018 Volkswagen Atlas 2.0L PCM/ECM: Symptoms, Programming, Repair
2018 Volkswagen Atlas 2.0L PCM/ECM failure symptoms include no-start and drivability issues. Factory caution: signals to AWD module via data bus. Learn replacement and programming.