U0051high severityNetwork
Control Module Communication Bus E Shorted To Bus E High
on 1998 Infiniti Q45 4.1L V8 · RWD
What this code means
The low side of bus E is shorted to the high side. This corrupts the differential signal and blocks module communication.
Symptoms
- No module communication
- Warning lights on
- Systems inoperative
Common causes
- Bus E wires shorted together
- Chafed harness insulation
- Faulty control module
- Corroded connectors
Diagnostic steps
- Scan for communication codes
- Check bus E high and low wiring
- Measure resistance between wires
- Isolate and test modules
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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