Condition For Fault ID - 1

2B39 - P0305

Information saved in
DME

Fault code
2B39 - P0305

Fault text
Misfire with cutoff, cyl. 5

Fault description
Cylinder 5 Misfire Detected

Condition for fault identification
Test condition:
3.3V in miss window for at least 5 ms
(K_AUSS_NS_TIME_MAX) or for entire miss window
Terminal condition: Terminal 15
Voltage condition:
none

Condition for fault memory entry
Varies according to load and rpm

Action in service
1. Check spark plug, interchange with other plug or replace
to localize malfunction.
2. Run compression check.
3. Inspect cylinders to determine whether coolant and engine
oil are entering.

Fault effect and breakdown warning
CC message
Engine speed limited
Reduced power
MIL after engine runs 2x
Rough idle

Driver information
Warning light:
MIL, EML, CC message, backup program

Service instruction
none