U1900high severityNetwork
CAN Communication Bus Fault - Receive Error
on 2009 Ford Explorer 4.0L V6 SOHC · AWD
What this code means
A module detected receive errors on the CAN communication bus. This indicates messages are corrupted or not arriving, disrupting module communication.
Symptoms
- Multiple modules affected
- Warning lamps on
- Systems intermittently inoperative
Common causes
- Damaged CAN bus wiring
- Faulty module on the bus
- Corroded or loose connectors
- Failed CAN terminating resistor
Diagnostic steps
- Scan all modules for CAN codes
- Inspect CAN wiring for damage or shorts
- Measure CAN bus resistance (should be 60 ohms)
- Isolate faulty module by disconnecting
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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