BMW fault code 3F20

Engine electronics

In the engine electronics, code 3F20 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.

DDE: Accelerator-pedal module, sensor 2, signal

Module versions: Digital Diesel Electronics (D60M57A0), Digital Diesel Electronics (D62M57A0), Digital Diesel Electronics (D70N47A0), DDE (d70n47b0) (D70N47B0), Digital Diesel Electronics (D71N47A0), Digital Diesel Electronics (D71N47B0), Digital Diesel Electronics (D71N47C0), DDE (d71n47d0) (D71N47D0), DDE (d73n57b0) (D73N57B0), DDE US-diesel fuel (D73N57C0)

Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.

DDE: Accelerator-pedal module, potentiometer 2, signal

Module versions: Digital Diesel Electronics (D50M57C0), Digital Diesel Electronics (D50M57D0), Digital Diesel Electronics (D50M57E0), Digital Diesel Electronics (D60M47A0), Digital Diesel Electronics (D60PSA0), Diesel fuel electronics (D60TMCA), Digital Diesel Electronics (D62M57B0), Diesel electronics master (D63MM670)

Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.

DDE: Pedal position sensor 2 (PGS)

Module versions: Digital Diesel Electronics (D50M47A), Digital Diesel Electronics (D50M57B1), Digital Diesel Electronics (DDE50K47)

In: 3 Series (E46) 1998–2006, X3 (E83) 2003–2010, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

DDE: Accelerator-pedal module, potentiometer 2

Module versions: Digital Diesel Electronics (D50M57A0), Digital Diesel Electronics (D50M57A1), Diesel electronics master (D51MM670)

In: 3 Series (E46) 1998–2006, X5 (E53) 1999–2006

3F20 Accelerator pedal module, sensor 2, signal

Module versions: Digital Diesel Electronics (D72N47B0), Digital Diesel Electronics (D73N47A0), Digital Diesel Electronics (D73N57D0)

Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.

DDE: Pedal-position sensor 2 (PGS), signal

Module versions: Digital Diesel Electronics (D50M47B1), Digital Diesel Electronics (D50M57E1)

Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.

DDE: Accelerator pedal module sensor 2, signal

Module version: Digital Diesel Electronics (D60M57D0)

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 3F20 is a BMW code, stored in the car's engine electronics, 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 engine electronics is on: 3 Series (E46), Z8 (E52), X5 (E53), 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), X3 (E83), X1 (E84), Z4 (E85), Z4 (E86), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)

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