Flash: Amplifier (AMP) Diagnostic and System Updates Customers must experience a Malfunction Indicator...
Jeep technical service bulletin 08-314-25 for 2021 Jeep Wrangler and 2021 Jeep Wrangler 4xe.
- Bulletin number
- 08-314-25
- Component
- Electrical system
- Summary
- Flash: Amplifier (AMP) Diagnostic and System Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B143B-12 - ANC Microphone 1-Circuit Short To Battery. ● B143C-12 - ANC Microphone 2-Circuit Short To Battery. ● B143E-12 - ANC Microphone 3-Circuit Short To Battery. ● B143F-12 - ANC Microphone 4-Circuit Short To Battery. NOTE: The DTCs are wrongly set and do not affect Active Noise Cancellation (ANC) performance This bulletin involves updating the AMP with the latest available software.
Owners of these vehicles have filed 315 complaints in the electrical category.
Vehicles covered
- Jeep Wrangler 2021 2021
- Jeep Wrangler 4xe 2021 2021
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