U3009

Control Module Ground B

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

~$167 (est.)

Symptoms

Unstable engine operation
Malfunctions of electronic systems
Warning lights on the dashboard come on
Problems starting the engine
Spontaneous shutdown of systems

Causes

Poor module ground contact
Oxidation or corrosion of ground terminals
Ground wire break or damage
Loosening of the ground wire
Malfunction of the control module itself

How to Fix

Check the integrity of the ground wire
Clean the grounding terminals from oxides
Check the fastening of the ground wire to the body
Check control module connectors
If necessary, replace the control module

Related codes

U3000 U3001 U3003