U008E

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

1. Visual inspection of wiring for damage
2. Checking contacts in communication bus connectors
3. Resistance and continuity diagnostics
4. Checking the signal quality on the bus using an oscilloscope
5. Gradual shutdown of modules to find the faulty one

Related codes

Error U008E by Vehicle Brand