BMW fault code 5E91
Dynamic stability control
In the dynamic stability control, code 5E91 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.
DSC: DSC sensor: plausibility (lateral acceleration sensor Value during standstill too)
Module versions: Dynamic stability control EHB3 (DSC_60PP), Dynamic Stability Control DSC8 Plus (DXC8_P), Dynamic Stability Control DSC8 Plus (DXC_90)
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, X1 (E84) 2009–2015, X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011, Z4 (E89) 2009–2016
DSC control unit internal fault (control unit internal CPU mode stack error R4)
Module version: Stability system EBC_450 (DSC_56)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
DSC: DSC sensor, lateral acceleration, plausibility (value during standstill too)
Module version: Dynamic stability control DSC8 (DSC_60)
In: 5 Series (E60) 2003–2010, 5 Series (E61) 2004–2010, 6 Series (E63) 2003–2010, 6 Series (E64) 2004–2010
DSC: Wheel speed sensor, rear right (plausibility)
Module version: Dynamic stability control DSC5.7 (DSC_E65)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
DSC: DSC sensor: plausibility
Module version: Dynamic stability control EHB3 (DXC_70)
In: 1 Series (E87) 2004–2011, 1 Series (E81) 2007–2011, 1 Series (E82) 2007–2013, 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, X1 (E84) 2009–2015, X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011, Z4 (E89) 2009–2016
Reading and clearing it
Fault code 5E91 is a BMW code, stored in the car's dynamic stability control, 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 dynamic stability control 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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