U008D

Vehicle Communication Bus G (+) High

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–89 (est.)

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

U008E U008F U0090