C0274

Excessive Dump/Isolation Time

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Airbag light is on
Disabling SRS
Malfunction of seat belt pretensioners

Causes

Open or short circuit in wiring harness
Squib malfunction
Problems with the SRS control module
Corrosion of contacts in the circuit

How to Fix

Check the wiring harness for opens and shorts
Diagnose squibs and pretensioners
Check SRS control module
Clean or replace corroded contacts

Related codes

B0001 B0010 B0020