U1101high severityNetwork
CCD/J1850 Bus Circuit Low
on 2002 Dodge Dakota 3.9L V6 Magnum · 4WD
What this code means
The CCD/J1850 communication bus voltage is reading too low. No direct OBD P-code equivalent.
Symptoms
- Multiple modules unresponsive
- Warning lights on
- Intermittent communication loss
Common causes
- Bus wiring shorted low
- Corroded connector
- Failed module dragging bus
- Poor ground
Diagnostic steps
- Measure bus voltage
- Inspect bus wiring for shorts
- Disconnect modules one by one
- Repair faulty circuit
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ANCEL AD410 →
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Serious DIY~$100
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Autel MaxiSys MS906 Pro →
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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