U3500

Control Module Input Power A Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–56 (est.)

Symptoms

Unstable engine operation
Periodic failures in the operation of electronic systems
Check Engine Light Illuminates
Problems starting the engine
Spontaneous shutdown of electronics

Causes

Damage to power supply wiring
Corrosion of contacts or connectors
Fuse or relay failure
Module grounding problems
Malfunction of the control module itself

How to Fix

Check the condition of the power circuit fuses
Inspect and clean connector contacts
Check the integrity of the power supply wiring
Check the quality of the module grounding
Test the voltage in the power circuit

Related codes

U3501 U3502 U3503