2AB5 - P16A4

2020 BMW 128i Coupe (E82) L6-3.0L (N51) Diagnostic Trouble Codes ( DTC ): Service instruction

none

2AB5

2AB5 - P16A4

Information saved in

DME

Fault code

2AB5 - P16A4

Fault text

DME, internal fault: knock-sensor module

Fault description

Timeout Control Module Knock Sensor SPI-Bus

Condition for fault identification

Test condition:

Monitoring of knock sensor chip Engine speed >320 rpm

Terminal condition: Terminal 15, engine on Voltage condition:

none

Condition for fault memory entry

Yes, by event counter. Fault must occur ten times before a fault memory entry is made.

Action in service

Determine whether fault is stored again after carrying out the following procedure. If yes: Replace DME.

Clear fault memory

Ignition off, allow vehicle to assume complete dormant status

Ignition on

Read out stored fault codes from fault memory

Fault effect and breakdown warning

Driver information Warning light: none