U008D
Vehicle Communication Bus G (+) High
U008D is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus G (+) High. Common causes: open or short circuit in bus g, wiring harness damage. Estimated repair cost: $17–89.
Symptoms
- Check Engine light comes on
- Problems with systems using the G bus
- Problems with diagnostics via OBD-II
- Malfunctions of the car's electronic systems
Causes
- Open or short circuit in bus G
- Wiring harness damage
- Fault in one of the modules connected to the bus
- Corrosion or poor contact in connectors
- Problems with module power supply
How to Fix
- Check the integrity of the G bus wires
- Inspect connectors for corrosion or damage
- Check the power supply of the modules connected to the bus
- Diagnose modules on the G bus one by one
- Repair only from an authorized dealer
Related codes
Error U008D by Vehicle Brand
FAQ
What does the U008D code mean?
U008D is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus G (+) High
What causes a U008D error code?
The most common causes of U008D include: Open or short circuit in bus G; Wiring harness damage; Fault in one of the modules connected to the bus; Corrosion or poor contact in connectors.
How do I fix a U008D diagnostic trouble code?
To fix U008D: Check the integrity of the G bus wires. Inspect connectors for corrosion or damage. Check the power supply of the modules connected to the bus. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U008D?
Do not drive — repair immediately
How much does it cost to fix U008D?
The estimated repair cost for U008D is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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