U009E

Vehicle Communication Bus J Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–56 (est.)

Symptoms

Incorrect operation of the vehicle's electronic systems
Check Engine light comes on
Problems with data transfer between modules
Reduced engine performance

Causes

Damage to communication bus wiring J
Poor connections in the circuit
Faulty electronic modules
Contact corrosion
Problems with module power supply

How to Fix

Check the integrity of the communication bus wiring J
Inspect and clean contacts
Check connections between modules
Diagnose electronic modules for faults
Replace damaged components

Related codes

U0100 U009F U009D