U007D

Control Module Communication Bus K Off

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–167 (est.)

Symptoms

Check Engine Light Is On
Lack of communication with diagnostic equipment
Incorrect operation of individual vehicle systems
Dashboard malfunctions
Errors in other modules

Causes

Open or short circuit in K bus wiring
Corroded or damaged connectors
Malfunction of one of the control modules
Problems with module power supply
Software failure in the control unit

How to Fix

Check the continuity of the K bus wiring
Inspect and clean all connectors
Check power and ground of connected modules
Diagnose and replace the faulty module if necessary
Update module software

Related codes

U0073 U0100 U0121