U3006

Control Module Input Power A Circuit/Open

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–167 (est.)

Symptoms

Check Engine Light Is On
Problems starting the engine
Lost communication with control module
Unstable operation of vehicle systems
Failure of various electronic functions

Causes

Open circuit in the module power supply
Poor contact in connectors
Blown fuse
Short circuit in the circuit
Malfunction of the control module itself

How to Fix

Check and replace power supply fuse
Inspect the wiring harness for damage
Check the quality of contacts in the connectors
Measure the voltage at the module power input
If necessary, replace the control module

Related codes

U3000 U3001 U3003