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Jeep TSB #0804622
2022 Jeep Wagoneer
TSB Document:
Affected Component: BACK OVER PREVENTION
- Summary
- Flash: Amplifier (AMP) Diagnostic and System Updates This bulletin involves reprogramming the AMP with the latest available software. The customer may experience one or more of the following: Active Noise Cancellation (ANC) drone noise between 950 RPM and 1,000 RPM, during a start up. Battery draining. Blinking odometer. Upon further investigation the technician may find the following DTCs have been set: 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 the fault is active, follow normal DTC diagnostics. Use inspection LOP (18-60-07-AF) to close the active RSU. B2204-00 - ECU Configuration Mismatch.
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