BMW fault code A548
Instrument cluster
In the instrument cluster, code A548 means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.
Message (Active Steering, 0x1FC) faulty, receiver KOMBI, transmitter AFS
Module versions: Instrument cluster (KOMB60), Instrument cluster (KOMB87)
In: 1 Series (E87) 2004–2011, 1 Series (E82) 2007–2013, 1 Series (E81) 2007–2011, 1 Series (E88) 2008–2013, 3 Series (E91) 2005–2012, 3 Series (E90) 2005–2012, 3 Series (E92) 2006–2013, 3 Series (E93) 2007–2013, 5 Series (E60) 2003–2010, 5 Series (E61) 2004–2010, 6 Series (E63) 2003–2010, 6 Series (E64) 2004–2010, 7 Series (E65) 2001–2008, 7 Series (E67) 2002–2008, 7 Series (E66) 2002–2008, X1 (E84) 2009–2015, X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011, Z4 (E89) 2009–2016
No message (speed) from Dynamic Stability Control, receiver KOMBI, transmitter DSC
Module version: Instrument cluster (KOMB65_2)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
No message (Active Steering, 0x1FC), receiver KOMBI, transmitter AFS
Module version: Instrument cluster (KOMB70)
In: X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011
No message (speed), receiver KOMBI, transmitter DSC
Module version: Instrument cluster (KOMBI65)
In: 7 Series (E65) 2001–2008
Instrument cluster: No message (road speed) from Dynamic Stability Control
Module version: CLUSTER instrument cluster RR_2 (KOMBRR_2)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
Reading and clearing it
Fault code A548 is a BMW code, stored in the car's instrument cluster, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.
The instrument cluster is on: 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72), 1 Series (E81), 1 Series (E82), X1 (E84), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)
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