BMW diesel electronics slave fault codes

The 1671 fault codes the diesel electronics slave can store, and what each one means. Some codes mean different things in different versions of the module; tap a code to see which applies to your car.

On: 7 Series (E65), 7 Series (E66), 7 Series (E67)

  • 4C76 DDE2: Supply voltage, air-mass flow sensor 2
  • 4C95 DDE2: Zero-quantity adaptation, injector, cylinder 8
  • 4C96 DDE2: Zero-quantity adaptation, injector, cylinder 8
  • 4CA2 Message (power management, 0x3B4) faulty, receiver DDE, transmitter CAS/PM
  • 4CA3 Message (power management, battery voltage, 0x3B4) faulty, receiver DDE, transmitter CAS/PM
  • 4CA5 DDE2: Air-mass flow sensor 2 (-)
  • 4CA6 DDE2: Air-mass flow sensor 2 (-)
  • 4CB2 Message (power management, 0x334) faulty, receiver DDE, transmitter CAS/PM
  • 4CB3 Message (power management, 0x334) faulty, receiver DDE, transmitter CAS/PM
  • 4CB5 4CB5 Zero flow adaptation injector cylinder 7
  • 4CB6 4CB6 Zero flow adaptation injector cylinder 7
  • 4CD5 4CD5 Zero flow adaptation injector cylinder 8
  • 4CD6 4CD6 Zero flow adaptation injector cylinder 8
  • 4CE0 4CE0 Particulate Filter System (and 1 other meaning)
  • 4CE5 4CE5 Monitoring Master/Slave fault path for PFlt1 error
  • 4CF3 4CF3 Particulate filter system (and 1 other meaning)
  • 4CF5 4CF5 Monitoring Master/Slave faultpath for PFlt2 error
  • 4D00 4D00 Particulate filter system (and 1 other meaning)
  • 4D01 4D01 Particulate filter system (and 1 other meaning)
  • 4D03 4D03 Particulate filter system (and 1 other meaning)
  • 4D05 4D05 Monitoring Master/Slave faultpath for PFlt3 error
  • 4D13 4D13 Particulate filter system (and 1 other meaning)
  • 4D15 4D15 Monitoring Master/Slave faultpath for PFlt4 error
  • 4D23 4D23 Particulate filter system (and 1 other meaning)
  • 4D25 DDE2: Exhaust temperature sensor before catalytic converter, bank 2, signal
  • 4D26 DDE2: Exhaust temperature sensor before catalytic converter, bank 2, signal
  • 4D38 4D38 Ambient pressure sensor Bank 2 (installed in control unit)
  • 4D40 4D40 Particulate filter system
  • 4D45 DDE2: Exhaust backpressure sensor before particulate filter, bank 2, signal
  • 4D46 DDE2: Exhaust backpressure sensor before particulate filter, bank 2, signal
  • 4D47 4D47 Exhaust backpressure sensor before particulate filter Bank 2, signal
  • 4D55 4D55 Particulate filter system Bank 2
  • 4D56 DDE2: Particulate filter system, bank 2
  • 4D65 DDE2: Particulate-filter system
  • 4D73 4D73 Particle filter system (and 1 other meaning)
  • 4D75 DDE2: Particulate-filter system
  • 4D81 DDE2: Charge-air pressure controller 2 (and 1 other meaning)
  • 4D85 4D85 Particulate filter system Bank 2
  • 4D98 DDE2: Exhaust backpressure sensor, bank 2, signal
  • 4DA3 DDE2: Equalization controller/charge-air pressure control (and 1 other meaning)
  • 4DA5 DDE2: Exhaust backpressure sensor, bank 2
  • 4DA6 4DA6 Exhaust backpressure sensor Bank 2
  • 4DA8 DDE2: Exhaust backpressure sensor, bank 2
  • 4DB0 DDE2: Exhaust-gas recirculation controller 2 (and 1 other meaning)
  • 4DB8 4DB8 Particulate filter system Bank 2
  • 4DC1 DDE2: Exhaust-gas recirculation controller 2 (and 1 other meaning)
  • 4DC8 4DC8 Particulate filter system Bank 2
  • 4DD2 DDE2: Exhaust-gas recirculation controller 2 (and 1 other meaning)
  • 4DD3 DDE2: Exhaust-gas recirculation controller 2 (and 1 other meaning)
  • 4DD5 DDE2: Exhaust temperature sensor before particulate filter, bank 2, signal
  • 4DD6 4DD6 Exhaust gas temperature sensor before particulate filter Bank 2, signal
  • 4DD8 4DD8 Exhaust gas temperature sensor before particulate filter Bank 2, signal
  • 4DE0 DDE2: Monitoring master/slave private CAN (and 1 other meaning)
  • 4DE1 DDE2: Monitoring master/slave private CAN (and 1 other meaning)
  • 4DE2 DDE2: Monitoring master/slave private CAN (and 1 other meaning)
  • 4DE3 DDE2: Monitoring master/slave private CAN (and 1 other meaning)
  • 4DE8 4DE8 Particulate filter system Bank 2
  • 4DF0 Message (torque, transmission, 0xB5) incorrect, receiver DDE, transmitter EGS
  • 4DF1 Message (torque, transmission, 0xB5) incorrect, receiver DDE, transmitter EGS
  • 4DF2 Message (torque, transmission, 0xB5) incorrect, receiver DDE, transmitter EGS
  • 4DF3 Message (torque, transmission, 0xB5) incorrect, receiver DDE, transmitter EGS
  • 4DF5 DDE2: Exhaust temperature sensor before cat., bank 2, signal
  • 4DF6 4DF6 Exhaust gas temperature sensor before catalytic converter Bank 2, signal
  • 4DF8 4DF8 Exhaust gas temperature sensor before catalytic converter Bank 2, signal
  • CD87 DDE2: PT-CAN communication fault (and 3 other meanings)
  • CD8B DDE2: PT CAN bus communication fault (and 3 other meanings)
  • CDB7 CDKX5E0 0xCDB7 - Message (OBD sensor diagnostic status, 5E0)
  • CDC7 DDE2: PT-CAN communication fault (power Train CAN Bus Slave) (and 2 other meanings)
  • CDCB CDCB Private CAN Bus (Slave) (and 2 other meanings)
  • CDDD CDKCGE 0xCDDD - Message (transmission data, BA)
  • CDE0 CDKCAS 0xCDE0 - Message (terminal status, 130)

Every BMW module's fault codes