U008A

Vehicle Communication Bus G Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–167 (est.)

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

U008B U008C U008D