U0067
Vehicle Communication Bus E (+) Low
U0067 is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus E (+) Low. Common causes: broken or damaged can bus wires, short circuit in can circuit (+). Estimated repair cost: $6–33.
Symptoms
- Check Engine light comes on
- Unstable engine operation
- Failure of some electronic systems
- Problems with diagnostics via OBD-II
Causes
- Broken or damaged CAN bus wires
- Short circuit in CAN circuit (+)
- Malfunction of one of the ECUs
- Poor contact in connectors
- Problems with ECU power supply
How to Fix
- Check the integrity of the CAN bus wires
- Check connections and connectors
- Measure the voltage on the CAN bus (+)
- Check operation of associated ECUs
- Replace damaged wires or connectors
Related codes
Error U0067 by Vehicle Brand
FAQ
What does the U0067 code mean?
U0067 is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus E (+) Low
What causes a U0067 error code?
The most common causes of U0067 include: Broken or damaged CAN bus wires; Short circuit in CAN circuit (+); Malfunction of one of the ECUs; Poor contact in connectors.
How do I fix a U0067 diagnostic trouble code?
To fix U0067: Check the integrity of the CAN bus wires. Check connections and connectors. Measure the voltage on the CAN bus (+). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0067?
Yes, but get it checked soon
How much does it cost to fix U0067?
The estimated repair cost for U0067 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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