BMW electronic immobilizer fault codes

The 59 fault codes the electronic immobilizer 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: 8 Series (E31), 5 Series (E34), 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)

  • 0000 EWS: 1 Key 1 not detected (incorrect key identification) (and 2 other meanings)
  • 0001 EWS: Key 1 not detected (and 2 other meanings)
  • 0002 EWS: Key no. 1, incorrect random code (and 1 other meaning)
  • 0003 WC tolerance increased at key number 0
  • 0004 EWS: 1 Key 1 not detected (data communication error to S/E module)
  • 000E DME alternation code XOR error (and 1 other meaning)
  • 000F Power-On-Reset
  • 0010 EWS: 2 Key 2 not detected (incorrect key identification) (and 2 other meanings)
  • 0011 EWS: 2 Key 2 not detected (incorrect password) (and 2 other meanings)
  • 0012 EWS: Key no. 2, incorrect random code (and 1 other meaning)
  • 0013 WC tolerance increased at key number 1
  • 0014 EWS: 2 Key 2 not detected (data communication error to S/E module)
  • 001E EWS: Internal control-module fault (DME exchange code lost)
  • 001F EWS: Internal control-module fault (clock-Monitor-Reset) (and 1 other meaning)
  • 0020 EWS: 3 Key 3 not detected (incorrect key identification) (and 2 other meanings)
  • 0021 EWS: 3 Key 3 not detected (incorrect password) (and 2 other meanings)
  • 0022 EWS: Key no. 3, incorrect random code (and 1 other meaning)
  • 0023 WC tolerance increased at key number 2
  • 0024 EWS: 3 Key 3 not detected (data communication error to S/E module)
  • 002F EWS: Internal control-module fault (watchdog reset) (and 1 other meaning)
  • 0030 EWS: 4 Key 4 not detected (incorrect key identification) (and 2 other meanings)
  • 0031 EWS: 4 Key 4 not detected (incorrect password) (and 2 other meanings)
  • 0032 EWS: Key no. 4, incorrect random code (and 1 other meaning)
  • 0033 WC tolerance increased at key number 3
  • 0034 EWS: 4 Key 4 not detected (data communication error to S/E module)
  • 003F EWS: Internal control-module fault (illegal-Opcode-Trap)
  • 0040 EWS: 5 Key 5 not detected (incorrect key identification) (and 2 other meanings)
  • 0041 EWS: 5 Key 5 not detected (incorrect password) (and 2 other meanings)
  • 0042 EWS: Key no. 5, incorrect random code (and 1 other meaning)
  • 0043 WC tolerance increased at key number 4
  • 0044 EWS: 5 Key 5 not detected (data communication error to S/E module)
  • 0050 EWS: 6 Key 6 not detected (incorrect key identification) (and 2 other meanings)
  • 0051 EWS: 6 Key 6 not detected (incorrect password) (and 2 other meanings)
  • 0052 EWS: Key no. 6, incorrect random code (and 1 other meaning)
  • 0053 WC tolerance increased at key number 5
  • 0054 EWS: 6 Key 6 not detected (data communication error to S/E module)
  • 0060 EWS: 7 Key 7 not detected (incorrect key identification) (and 2 other meanings)
  • 0061 EWS: 7 Key 7 not detected (incorrect password) (and 2 other meanings)
  • 0062 EWS: Key no. 7, incorrect random code (and 1 other meaning)
  • 0063 WC tolerance increased at key number 6
  • 0064 EWS: 7 Key 7 not detected (data communication error to S/E module)
  • 0070 EWS: 8 Key 8 not detected (incorrect key identification) (and 2 other meanings)
  • 0071 EWS: 8 Key 8 not detected (incorrect password) (and 2 other meanings)
  • 0072 EWS: Key no. 8, incorrect random code (and 1 other meaning)
  • 0073 WC tolerance increased at key number 7
  • 0074 EWS: 8 Key 8 not detected (data communication error to S/E module)
  • 007F EWS: Internal control-module fault (software-Interrupt) (and 1 other meaning)
  • 0080 EWS: 9 Key 9 not detected (incorrect key identification) (and 2 other meanings)
  • 0081 EWS: 9 Key 9 not detected (incorrect password) (and 2 other meanings)
  • 0082 EWS: Key no. 9, incorrect random code (and 1 other meaning)
  • 0083 WC tolerance increased at key number 8
  • 0084 EWS: 9 Key 9 not detected (data communication error to S/E module)
  • 008F Illegal-Opcode-Trap
  • 0090 EWS: 10 Key 10 not detected (incorrect key identification) (and 2 other meanings)
  • 0091 EWS: 10 Key 10 not detected (incorrect password) (and 2 other meanings)
  • 0092 EWS: Key no. 10, incorrect random code (and 1 other meaning)
  • 0093 WC tolerance increased at key number 9
  • 0094 EWS: 10 Key 10 not detected (data communication error to S/E module)
  • 00FF Reset general

Every BMW module's fault codes