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BMW e60 530i CAN malfunction
Hi! Since i buy the car, i have a problem with can modules, but today the car went to limp mode, so i want to figure it out what's wrong.
CAR: 2003 BMW e60 530i - M54B30 My error codes after limp mode: 28DD - DME: Air mass system - Existent 28AE - DME: Torque limitation: Monitoring - Existent 5F77 - DSC: Engine management: Interface - Existent D904 - CAS: K-CAN line fault - Existent D907 - CAS: K-CAN communication fault - Not Existent E584 - KBM: K-CAN line fault - Existent E587 - KBM: K-CAN communication fault - Not Existent 9C77 - IHKA: Auxiliary-water pump - Existent E244 - SZM: K-CAN line fault - Existent E2C4 - CON: K-CAN line fault - Existent 9E5C - SMFA: Rapid heating area: cushion - Not Existent E444 - SMFA: K-CAN line fault - Not Existent E484 - SMBF: K-CAN line fault - Not Existent E184 - CD/ M-ASK/CCC/RAD2/CHAMP-GW: K-CAN line fault - Not Existent FFF2 - MOSTSYS: MOST ring break - Unknown Codes after deleting: E504 - LM: K-CAN line fault - Existent D904 - CAS: K-CAN line fault - Existent E584 - KBM: K-CAN line fault - Existent 9C77 - IHKA: Auxiliary-water pump - Existent E244 - SZM: K-CAN line fault - Existent E2C4 - CON: K-CAN line fault - Existent E444 - SMFA: K-CAN line fault - Not Existent E484 - SMBF: K-CAN line fault - Not Existent I already tried: - Cleaning ICV, Throttle Body. Re do and cleaning plug connections. Adapt Throttle Body. - Replaced SGM, LM to LM2, DME, CAS - Redo plugs in SMFA,SMBF, SZM, M-ASK - Replaced MPM - I tried to disconnect SMFA,SMBF and check, but nothing changed. https://cimg0.ibsrv.net/gimg/5series...114ffe03cd.jpg https://cimg1.ibsrv.net/gimg/5series...a460598ae3.jpg https://cimg2.ibsrv.net/gimg/5series...2aeafe6159.jpg |
The question is: What can i try? I think probably the KBM is the problem, but everything works fine, so i don't know where i need to start
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Same issue
Originally Posted by Rolplay
(Post 1614066)
The question is: What can i try? I think probably the KBM is the problem, but everything works fine, so i don't know where i need to start
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I had this issue pop up the other day as well. Fortunately for me it ended up just being the drivers seat module. I figured I would just start unplugging modules one at a time and rescanning for codes and hope they would go away at some point. If that doesn't do it, probably a wire on the bus somewhere that is broken. When I unplugged my driver seat module the errors went away and returned when I reconnected. Fortunately I found a used module on Ebay for $10 that's on its way. Seat modules are the quickest thing to disconnect, also some of the modules in the trunk.
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Originally Posted by kd7iwp
(Post 1616503)
I had this issue pop up the other day as well. Fortunately for me it ended up just being the drivers seat module. I figured I would just start unplugging modules one at a time and rescanning for codes and hope they would go away at some point. If that doesn't do it, probably a wire on the bus somewhere that is broken. When I unplugged my driver seat module the errors went away and returned when I reconnected. Fortunately I found a used module on Ebay for $10 that's on its way. Seat modules are the quickest thing to disconnect, also some of the modules in the trunk.
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