B143C · 原廠技術資料

JEEP · 2025-09-23

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

RAM · 2025-09-23

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.

RAM · 2025-09-23

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.

JEEP · 2025-09-23

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.

PORSCHE · 2025-09-11

Technical information for Intermittent Warning Message “Power Button Faulty - Service Required” in the Instrument Cluster / Fault Memory Entry “B143C29” in the Rear-End Electronics Control Unit

PORSCHE · 2025-08-15

Technical information for Intermittent Warning Message “Power Button Faulty - Service Required” in the Instrument Cluster/Fault Memory Entry “B143C29” in the Rear-End Electronics Control Unit

AUDI · 2025-04-16

This TSB provides information when the message "Engine/power nt start system: fault. Please contact workshop" appears; DTC B143C29.

PORSCHE · 2024-09-18

Symptom based workshop manual for a warning message. "Ignition lock faulty - service required" in the instrument cluster/fault memory entry (B143C29) in the rear end electronics control unit

JEEP, RAM · 2022-01-27

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.

PORSCHE · 2022-01-07

Instructions on advanced technical information for the 911 ignition lock warning along with fault code B143C29.

AUDI · 2021-03-16

This bulletin contains repair instructions for when "Engine start system malfunction" message displayed in instrument cluster or the Start-Stop button sticks with DTC B143C29.

BENTLEY · 2020-11-17

Engine intermittently fails to start. Customer statement: Customer unable to intermittently start the engine with the start button. Workshop findings: DTC - B143C29: Access/start authorization button, Range/Performance stored within address 46 -Convenience system central control unit Technical background: Refer to the Measure section of this TPI

AUDI · 2020-10-07

This bulletin contains instructions for when there is a warning message with DTC B143C29.

AUDI · 2018-02-07

This bulletin contains repair instructions for when "Engine start system malfunction" message displayed in instrument cluster or the Start-Stop button sticks with DTC B143C29.