U0063high severityNetwork
Control Module Communication Bus F Shorted To Ground
on 1997 Ford Thunderbird 5.0L V8 · FWD
What this code means
The F communication bus wiring is shorted to ground, cutting off data between modules. This can cause multiple modules to lose communication with each other.
Symptoms
- Warning lights on dash
- Multiple modules not responding
- Features not working
Common causes
- Bus F wiring shorted to ground
- Chafed or damaged harness
- Corroded connector
- Faulty control module
Diagnostic steps
- Scan all modules for U-codes
- Inspect bus F wiring for shorts to ground
- Measure bus voltage and resistance
- Repair wiring or replace faulty module
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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