U0155moderate severityNetwork
Lost Communication with Instrument Panel Cluster
on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD
What this code means
Cannot communicate with the instrument cluster.
Symptoms
- Gauges not working
- No speedometer/tachometer
- Warning lights erratic
Common causes
- Cluster power failure
- CAN bus issue
- Cluster failure
Diagnostic steps
- Check cluster fuses
- Test power supply
- Check CAN wiring
Repair notes
Check fuses. Instrument cluster may need replacement or repair.
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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