U0306high severityNetwork
Software Incompatibility With Fuel Injector Control Module
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
The fuel injector control module has software that is incompatible with other network modules. This can disrupt fuel delivery and engine operation.
Symptoms
- Engine runs poorly or stalls
- Check engine light on
- Reduced power
Common causes
- Mismatched module software version
- Module replaced without proper programming
- Incomplete software update
- Failed injector control module
Diagnostic steps
- Check software versions across modules
- Compare to factory calibration
- Reprogram module with correct software
- Clear codes and verify operation
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Other Network codes on this vehicle
U0001
High Speed CAN Communication Bus
U0002
High Speed CAN Communication Bus Performance
U0003
High Speed CAN Communication Bus (+) Open
U0004
High Speed CAN Communication Bus (+) Low
U0005
High Speed CAN Communication Bus (+) High
U0006
High Speed CAN Communication Bus (-) Open
U0007
High Speed CAN Communication Bus (-) Low
U0008
High Speed CAN Communication Bus (-) High
U0009
High Speed CAN Communication Bus Shorted Together
U0010
Medium Speed CAN Communication Bus