U008E
Vehicle Communication Bus G (-) Open
U008E is an OBD-II diagnostic trouble code meaning: Vehicle Communication Bus G (-) Open. Common causes: communication bus wire break g, short circuit in the circuit. Estimated repair cost: $6–56.
Symptoms
- The malfunction indicator light comes on
- Loss of communication between modules
- Incorrect operation of vehicle systems
- Lack of access to diagnostic data
- Possible problems starting the engine
Causes
- Communication bus wire break G
- Short circuit in the circuit
- Oxidation of contacts in connectors
- Malfunction of one of the network modules
- Wiring harness damage
How to Fix
- Visual inspection of wiring for damage
- Checking contacts in communication bus connectors
- Resistance and continuity diagnostics
- Checking the signal quality on the bus using an oscilloscope
- Gradual shutdown of modules to find the faulty one
Related codes
Error U008E by Vehicle Brand
FAQ
What does the U008E code mean?
U008E is an OBD-II diagnostic trouble code that indicates: Vehicle Communication Bus G (-) Open
What causes a U008E error code?
The most common causes of U008E include: Communication bus wire break G; Short circuit in the circuit; Oxidation of contacts in connectors; Malfunction of one of the network modules.
How do I fix a U008E diagnostic trouble code?
To fix U008E: Visual inspection of wiring for damage. Checking contacts in communication bus connectors. Resistance and continuity diagnostics. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U008E?
Do not drive — repair immediately
How much does it cost to fix U008E?
The estimated repair cost for U008E is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat