Tuesday, June 30, 2020

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts

2010 BMW 128i Convertible (E88) L6-3.0L (N52K) P Code Charts

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P16A3

2AB4 – P16A3

Information saved in

DME

Fault code

2AB4 – P16A3

Fault text

DME, internal fault: RAM checksum

Fault description

Internal Control Module Non-Volatile Memory (NVMY)

Error

Condition for fault identification

20

Test condition:

RAM checksum test

This test is executed once, while the control module is

booting.

Terminal condition: Immediately after wakeup in dormant

control module

Voltage condition:

none

Condition for fault memory entry

No debounce. Fault can be reset by clearing fault memory.

Action in service

Start by checking ground connections on the ignition coils.

If these are OK, proceed with the following steps.

Check to determine whether the diagnostic fault code is

stored again after proceeding through the following routine.

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