U3508

Control Module Input Power C Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–56 (est.)

Symptoms

Unstable engine operation
Intermittent failures of electronic systems
Check Engine Light Illuminates
Problems starting the engine

Causes

Wiring harness damage
Faulty relay or fuse
Alternator or battery problems
Contact corrosion
Control module malfunction

How to Fix

Check the voltage at the battery terminals
Inspect the wiring harness for damage
Check relays and fuses
Clean connector contacts
Test the control module

Related codes

U3507 U3509 U3510