JEEP

0804122

2022-03-01 · NHTSA 10212373, 10220770, 10223152, 10229114

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. Customers may experience the following:Active Noise Cancellation (ANC) drone noise at 950 between 1,000 RPM, during a start up.The AMP may set B221F-00 (Amplifier Internal) erroneously, it does not affect Active Noise Cancelation (ANC) performance. If B221F-00 is a stored fault update the AMP with appropriate software. If fault is active, follow normal DTC diagnostics.

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