BMW fault code 4010
Diesel electronics slave
In the diesel electronics slave, code 4010 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.
4010 Exhaust back pressure sensor before particulate filter
Module version: Diesel electronics slave (D51SM670)
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.
DDE2: Exhaust backpressure sensor before particulate filter, bank 1, signal
Module version: Diesel electronics slave (D63SM670)
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.
Reading and clearing it
Fault code 4010 is a BMW code, stored in the car's diesel electronics slave, 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 diesel electronics slave is on: 7 Series (E65), 7 Series (E66), 7 Series (E67)
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