Home0802022 · JEEP, RAM
JEEP, RAM

0802022

Manufacturer communications

Publication date
2022-01-27
Received by NHTSA
2022-10-17
NHTSA record numbers
10222997

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 a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: 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.The DTCs are wrongly set and do not affect Active Noise Cancelation (ANC) performance.

NHTSA manufacturer communications ↗

Reported code forms

B143BB143CB143EB143F

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

JeepB143F-12
ANC Microphone 4-Circuit Short To Battery.The

NHTSA 10222997

RamB143F-12
ANC Microphone 4-Circuit Short To Battery.The

NHTSA 10222997

Check vehicle applicability

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

MakeModelModel year
JeepGRAND CHEROKEE2021
JeepWRANGLER2021
Ram15002021
Ram25002021

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