U007E
Control Module Communication Bus L Off
U007E is an OBD-II diagnostic trouble code meaning: Control Module Communication Bus L Off. Common causes: broken can bus wires, corrosion of connectors. Estimated repair cost: $6–56.
Symptoms
- Check Engine Light Is On
- Some car systems do not work
- Problems starting the engine
- Dashboard malfunctions
- Errors in other modules
Causes
- Broken CAN bus wires
- Corrosion of connectors
- Malfunction of one of the control modules
- Problems with module power supply
- Mechanical damage to the wiring harness
How to Fix
- Check the integrity of the CAN bus wires
- Inspect and clean connectors
- Check power supply of modules
- Scan all modules for errors
- Replace damaged wires or connectors
Related codes
Error U007E by Vehicle Brand
FAQ
What does the U007E code mean?
U007E is an OBD-II diagnostic trouble code that indicates: Control Module Communication Bus L Off
What causes a U007E error code?
The most common causes of U007E include: Broken CAN bus wires; Corrosion of connectors; Malfunction of one of the control modules; Problems with module power supply.
How do I fix a U007E diagnostic trouble code?
To fix U007E: Check the integrity of the CAN bus wires. Inspect and clean connectors. Check power supply of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U007E?
Do not drive — repair immediately
How much does it cost to fix U007E?
The estimated repair cost for U007E is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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