U0154
Lost Communication with Gateway Module B
2007-2011 Dodge Nitro 3.7L V6
High SeverityNetworkGeneric (SAE)
Description
Cannot communicate with the secondary gateway module on vehicles with multiple gateway controllers.
Symptoms
- Partial cross-network failure
- Specific bus segment communication loss
- Some modules unreachable
Common Causes
- Gateway B module failure
- CAN bus wiring
- Module power loss
- Fuse blown
- Software issue
Diagnostic Steps
- Check gateway B fuse
- Test power and ground
- Check CAN bus connections
- Try module reprogramming
Repair Notes
Secondary gateway handles specific bus segments. Check fuses and bus connections.
Related Codes
Other Network Codes
- U0001High Speed CAN Communication Bus
- U0002High Speed CAN Communication Bus Performance
- U0003High Speed CAN Communication Bus (+) Open
- U0004High Speed CAN Communication Bus (+) Low
- U0005High Speed CAN Communication Bus (+) High
- U0006High Speed CAN Communication Bus (-) Open
- U0007High Speed CAN Communication Bus (-) Low
- U0008High Speed CAN Communication Bus (-) High
- U0009High Speed CAN Communication Bus Shorted Together
- U0010Medium Speed CAN Communication Bus
U0154 on Other Vehicles
Common Questions
What does code U0154 mean on a 2007-2011 Dodge Nitro?
U0154 stands for "Lost Communication with Gateway Module B". Cannot communicate with the secondary gateway module on vehicles with multiple gateway controllers.
What are the symptoms of U0154 on a Dodge Nitro?
Common symptoms of U0154 include: Partial cross-network failure, Specific bus segment communication loss, Some modules unreachable.
What causes U0154 on a 2007-2011 Dodge Nitro?
Common causes of U0154 include: Gateway B module failure, CAN bus wiring, Module power loss, Fuse blown, Software issue.