B0004
Driver Frontal Deployment Loop Resistance High
The SRS module measured a higher than expected resistance in the driver frontal airbag deployment circuit. Causes include a partially open connection, corroded contacts, or a damaged clock spring conductor.
The SRS module measured a higher than expected resistance in the driver frontal airbag deployment circuit. Causes include a partially open connection, corroded contacts, or a damaged clock spring conductor.
Common causes
- high
Clock spring conductor partially worn
One of the most commonly reported causes for this code — check this first.
Typical part cost: $170-1100
- medium
Oxidized airbag connector pins
A plausible cause — test and verify before replacing parts.
Typical part cost: $170-1100
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does B0004 mean?
B0004 means "Driver Frontal Deployment Loop Resistance High". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0004?
clock spring conductor partially worn; oxidized airbag connector pins; driver airbag module internal fault — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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