B0688

Symptoms

• Security light stays on or doesn't work
• False alarms of the security system
• Security system fault message on dashboard

Causes

• Short circuit in indicator circuit
• Security indicator malfunction
• Wiring harness damage
• Problems with the security module

How to Fix

1. Check the integrity of the wiring harness in the area of the security system indicator
2. Check the functionality of the indicator itself
3. Measure the voltage in the indicator circuit
4. If necessary, replace the indicator or repair the wiring harness
5. Reset the error and check if it returns

Related codes

Error B0688 by Vehicle Brand