B0685

Security System Indicator Circuit Short to Ground

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

The security light is flashing or not on
Security error message on dashboard
Disabling the restraint system

Causes

Short circuit in wiring harness
Malfunction of the indicator lamp
Problems with the security module
Corroded or damaged connectors

How to Fix

Check the wiring harness for damage and corrosion.
Check the functionality of the indicator lamp
Carry out diagnostics of the security module
Check the integrity of the indicator circuit
Replace damaged components if necessary

Related codes

B0686 B0687 B1000