Bsi internal fault To have that many faults on so many systems could point to a battery-alternator power supply grounding/earth issues you could try disconnect & reconnect battery to try to reset defaults in the ECU? Some of those could potentially be historic faults still stored on the system. OSFF BSI Internal Fault The garage said they don't understand and to go to a dealer. The power steering also doesn't work. Under inflation monitoring fault. The parking assistance ECU connects to the BSI. Have you reset the bsi they're notorious for failing. Any recommendation what i have to do to fix this issue ? Lets suppose that the BSI is dead. 05FF is generic to a BSI Fault although not showing as a specific failure on any systems ? Pretty sure you can’t fix all that with a bsi reset, but if you do a bsi reset correctly, you can’t damage anything, so it’s worth doing just to see if Is there anyway of testing the integrity of the BSI/ECU. A big reset would be my first test. 1. The following dash lights are on Steering, tire inflation, service and ESP. . If you think BSI data is ok i could try to exchange ECU as well with immo off and see if problem clould be the ori ecu. The voltage of the EGR throttle position copy signal is less than 0,1V (For 250 milliseconds). The battery has been replaced, all fuses are good, alternator charging is good. I have seen companies online that repair the BSI if you send it, but I don't have a clue where it is. Fault codes can vary and can have different meanings depending on the constructor, so always important to relate codes direct to the specific engine ECU. Power Steering faulty. The parking assistance sensors with front and rear option is connected to a single ECU. If I helped you, press Thanks & Rep+ buttons. I did an scan with computer and the error that comes up is : 05FF BSI INTERNAL ERROR. What do you think? BSI internal fault comes up pretty much every time. Check if (variant) configuration in BSI is still there. 'U' faults are data / communication faults. ESP / ASR system faulty. Number plate light could just be the standard LH tail light earth wire issue - most Tourings by this stage / age have had an additional earth wire added to the LH tail light cluster - certainly both mine have. But car start but it´s not working well many many faults. 2. 3. EGR throttle position copy signal earth: Short circuit to earth. I had one lock the transmission module in reverse and managed to reset it and then communicate with tcm to force it out of gear. 05FF is generic to a BSI Fault although not showing as a specific failure on any systems ? Pretty sure you can’t fix all that with a bsi reset, but if you do a bsi reset correctly, you can’t damage anything, so it’s worth doing just to see if Is there anyway of testing the integrity of the BSI/ECU. 4. hbofiwn huhxt jcscjf wmpupykg vwsvgj csmcrw sqoqi eit axb jbondhn