U0014moderate severityNetwork
Control Module Communication Bus A Shorted To Ground
on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD
What this code means
Communication bus A is shorted directly to ground, pulling the signal down. This blocks normal data communication.
Symptoms
- No communication with modules
- Several warning lights
- Erratic system operation
Common causes
- Bus A wire grounded
- Chafed or pinched harness
- Faulty control module
- Water in connector
Diagnostic steps
- Scan for communication codes
- Check bus A for continuity to ground
- Inspect harness routing
- Disconnect modules to isolate short
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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