Now you have identified what memory you need to read/write, you can open the airbag module and connect the EPROM/MCU. may be printed in full on the MCU package (Fig.06). Usually Identified by a ‘MASK ID’ such as “0D60J” on the 3rd line printed on the MCU (Fig.05). Note: Serial EPROM Memory (Fig.04) is normally identified as: 24C0x / 25Cxx / 95xxx (Where ‘x’ relates to memory size) MCU based EPROM memory – Microcontroller where the memory is integral to the main processor, these MCU’s are larger microchips with many legs on each side. Step.1 – Obtaining the crash ‘data’ from the Airbag module.īefore you open the airbag module, navigate you to search your vehicle airbag make and model on internet.Once you have found the correct part listed,you need to find correct ‘memory’ identification that stores the crash data memory content. (SERIAL EEPROM) Quad Flat Package with 64 legs, 16 legs per side. The encapsulation of the microchip into its production packaging/casingĭual In-Line I.C. integrating a Computer Processor, Memory and a Peripheral Input/Output device in a single I.C. EPROM Memory (Data) Electrically Erasable Programmable Read Only Memory Microcontroller or Micro Computer Unit (an I.C. BIN) Permanent fault codes stored in the Airbag module after a Crash/impact eventĭate content retrieved from an I.C. (It is also industry standard, your programmer ‘WILL’ support saving read data as. Viewer data seen in the programmer data editor Also known as ‘BIN’ is the File Format we use. With TachosoftOnline, You can reset these Permanent Fault Codes!īelow I have listed some of the common terminology you will see using our products: In a lot of cases, the Permanent Crash Data fault code can become stored in an airbag module without the vehicle ever suffering a crash, so the term ‘Crash Data’ is a generic term which describes a fault code stored to the airbag module which is not a diagnostic trouble code (DTC) but instead a ‘Permanent Recorded Fault Code’ that cannot be erased conventionally. The same is true of event data stored due to seat belt pyrotechnic pre-tensioners being activated. As an example, the Mk2 Renault Clio was prone to detonating the side/seat airbags if the car was bumped up a kerb stone at the side of the road while parking, storing a ‘Crash Event’ and giving the Permanent Fault code of “Airbag Computer Permanent Fault – Replace computer” which could not be reset and would require a new airbag module to be fitted.
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