U008A
Vehicle Communication Bus G Performance
U008A is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus G Performance. Common causes: broken or damaged communication bus wires, oxidation of contacts in connectors. Estimated repair cost: $6–167.
Symptoms
- Check Engine Light Is On
- Problems with the operation of car systems (ABS, ESP, etc.)
- Intermittent operation of the dashboard
- Errors in other modules
- The car goes into emergency mode
Causes
- Broken or damaged communication bus wires
- Oxidation of contacts in connectors
- Malfunction of one of the modules (ECU, ABS, etc.)
- Problems with module power supply
- Electrical interference
How to Fix
- Check the integrity of the communication bus wiring
- Clean and check all contacts in connectors
- Check power supply and grounding of modules
- Scan all modules for errors
- If necessary, replace the faulty module
Related codes
Error U008A by Vehicle Brand
FAQ
What does the U008A code mean?
U008A is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus G Performance
What causes a U008A error code?
The most common causes of U008A include: Broken or damaged communication bus wires; Oxidation of contacts in connectors; Malfunction of one of the modules (ECU, ABS, etc.); Problems with module power supply.
How do I fix a U008A diagnostic trouble code?
To fix U008A: Check the integrity of the communication bus wiring. Clean and check all contacts in connectors. Check power supply and grounding of modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U008A?
Limited driving only, diagnose soon
How much does it cost to fix U008A?
The estimated repair cost for U008A is $6–167. Actual cost depends on your vehicle, location, and labor rates.
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