2D9B

2D9B - P0328

Information saved in
DME

Fault code
2D9B - P0328

Fault text
Knock sensor, signal

Fault description
Knock sensor, signal

Condition for fault identification
Test condition:
Engine at part-load
Engine speed > 1600 rpm
No other DTCs logged
No operation in emergency default mode
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
The error must appear 30 times in sequence in accordance
with the debounce frequency.
Otherwise the debounce counter is reset and the debounce
process starts again at the beginning.

Action in service
1. Check engine for mechanical defects and loose ancillary
components
2. Check knock sensor installation
3. Replace knock sensor

Fault effect and breakdown warning
None
Possible reduction in power

Driver information
Warning light:
MIL ON
EML ON (CC message: ID29)

Service instruction
None