2019 BMW 128i Convertible (E88) L6-3.0L (N51) A L L Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts Page 48
1. Clear fault memory
2. Ignition off, allow vehicle to assume complete dormant
status
3. Ignition on
4. Read out stored fault codes from fault memory
Fault effect and breakdown warning
Driver information
Warning light:
none
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.
1. Clear fault memory
2. Ignition off, allow vehicle to assume complete dormant
status
3. Ignition on
4. Read out stored fault codes from fault memory
Fault effect and breakdown warning
