U3507

Control Module Input Power B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–56 (est.)

Symptoms

Intermittent failures of electronic systems
Spontaneous dashboard reboots
Appearance and disappearance of errors
Incorrect operation of related systems

Causes

Poor contact in power connectors
Open or shorted wiring harness
Power relay fault
Fuse problems
Control module defect

How to Fix

Check the condition of circuit B fuses
Inspect the connectors and contacts of the module
Check the integrity of the wiring harness
Test the power relay
Diagnose the control module

Related codes

U3506 U3508 U3509