BMW Fault Code - 4021

Check 4021 Fault Code

BMW Fault Code: 4021

4021 - DDE:Exhaust backpressure sensor before particulate filter, signal

System: Digital Diesel Electronics

BMW System: DDE

Type: Drive

BMW Fault Code: 4021

4021 - DDE: Exhaust temperature sensor before particulate filter, bank 1, signal

System: Digital Diesel Electronics

BMW System: DDE

Type: Drive

BMW Fault Code: 4021

4021 - DDE: Exhaust-gas backpressure sensor before particle filter (-)

System:

EGT -Short Circuit to B-

Fault Code Table : DDE 5

DDE5 is another update to the M57 and M67 diesel engine control range. DDE5 is a second generation Common rail system with Rail pressures increasing from 1350bar in DDE4 to an amazing 1600bar, and is also known as Bosch EDC16, and complies with the European EU3 emissions standard. DDE 6 is used on M57 and M67 engines from 2005, using the same 1600 bar Common Rail System, and now meeting the European EU4 emissions standard.

EGT -Short Circuit to B-

Fault Code Table : DDE 6

DDE6 is another update to the M57 and M67 diesel engine control range. DDE5 is a second generation Common rail system with Rail pressures increasing from 1350bar in DDE4 to an amazing 1600bar, and is also known as Bosch EDC16, and complies with the European EU3 emissions standard. DDE 6 is used on M57 and M67 engines from 2005, using the same 1600 bar Common Rail System, and now meeting the European EU4 emissions standard.

EGT -Short Circuit to B-

Fault Code Table : DDE 6.2

DDE6.2 is another update to the M57 and M67 diesel engine control range. DDE5 is a second generation Common rail system with Rail pressures increasing from 1350bar in DDE4 to an amazing 1600bar, and is also known as Bosch EDC16, and complies with the European EU3 emissions standard. DDE 6 is used on M57 and M67 engines from 2005, using the same 1600 bar Common Rail System, and now meeting the European EU4 emissions standard.

EGT -Short Circuit to B-

Fault Code Table : DDE 6.3

DDE6.3 is another update to the M57 and M67 diesel engine control range. DDE5 is a second generation Common rail system with Rail pressures increasing from 1350bar in DDE4 to an amazing 1600bar, and is also known as Bosch EDC16, and complies with the European EU3 emissions standard. DDE 6 is used on M57 and M67 engines from 2005, using the same 1600 bar Common Rail System, and now meeting the European EU4 emissions standard.

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