U0064

Vehicle Communication Bus E

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–167 (est.)

Symptoms

Incorrect operation of several vehicle systems
The Check Engine light comes on
Problems starting the engine
Lost communication with one or more modules
Infotainment system malfunctions

Causes

Wiring harness damage
Short circuit in communication circuit
Malfunction of one of the electronic modules
Problems with connectors or poor contact
Software error in communication module

How to Fix

Check the integrity of the wiring harness
Clean and check all connectors in the communication circuit
Check power and ground of modules
Scan all modules for additional errors
Reflash or replace the faulty module

Related codes

U0065 U0066 U0067