Chafed or pinched wiring harness in the steering column or under the dash; Faulty clock spring (spiral cable) inside the steering wheel; Short to battery voltage in the airbag inflator connector or pigtail; Water intrusion or corrosion in the airbag wiring or connectors; Internal short in the SRS control module (less common); Aftermarket accessories improperly wired into the SRS circuit

DTC codes / B00xx · Airbags, seats, doors, lights and comfort systems / B0007

B0007Driver Frontal Deployment Loop Short to Battery

Q: What does code B0007 mean?

Driver Frontal Deployment Loop Short to Battery. B0007 indicates that the supplemental restraint system (SRS) control module has detected a short to battery voltage in the driver's frontal airbag deployment loop, which includes the clock spring, wiring, and inflator connector. The module monitors the loop's voltage and flags this code when the circuit shows battery power instead of the expected low reference signal, meaning the airbag may not deploy correctly in a crash.

B0007 indicates that the supplemental restraint system (SRS) control module has detected a short to battery voltage in the driver's frontal airbag deployment loop, which includes the clock spring, wiring, and inflator connector. The module monitors the loop's voltage and flags this code when the circuit shows battery power instead of the expected low reference signal, meaning the airbag may not deploy correctly in a crash.

SystemBody

Code typeGeneric (all makes)

SeverityHigh

Fix difficultyProfessional

AreaAirbags, seats, doors, lights and comfort systems

Symptoms you may notice

Airbag warning light illuminated on the instrument cluster
SRS system disabled, so the driver's frontal airbag will not deploy in a collision
Often no symptoms besides the warning light
In some vehicles, a chime or message on the driver information center
Intermittent warning light if the short is caused by a loose connection or chafed wire

Common causes, most likely first

Chafed or pinched wiring harness in the steering column or under the dash
Faulty clock spring (spiral cable) inside the steering wheel
Short to battery voltage in the airbag inflator connector or pigtail
Water intrusion or corrosion in the airbag wiring or connectors
Internal short in the SRS control module (less common)
Aftermarket accessories improperly wired into the SRS circuit

How to diagnose and fix it

Scan all modules for codes and record freeze-frame data to confirm B0007 is current
Visually inspect the driver's airbag wiring, clock spring, and connectors for damage or corrosion
Disconnect the battery and wait the recommended time, then measure resistance and voltage on the deployment loop
Check for battery voltage on the airbag circuit with the module disconnected to isolate the short
Replace the clock spring if the short is internal to the spiral cable
Repair or replace damaged wiring and connectors, then clear codes and verify the light goes out
If the short persists, test or replace the SRS control module as a last resort

Clock spring failures and wiring chafes

The clock spring is the most commonly overlooked cause of B0007 because it flexes every time the steering wheel turns and can develop an internal short to battery voltage.
A short to battery in the deployment loop does not always mean the airbag will deploy unexpectedly; the module typically disables the circuit, but the risk of a no-deploy condition is real.
Aftermarket steering wheel covers or phone mounts that pinch the wiring near the column can set this code intermittently.
Some technicians replace the airbag itself when the fault is actually in the wiring or clock spring, so always test the circuit before condemning the inflator.
B0007 can be set by a low battery or charging system fault that causes voltage spikes, so check the charging system before replacing SRS components.

Can I keep driving with B0007?

The vehicle is not safe to drive because the driver's frontal airbag is disabled, increasing the risk of injury in a crash. Have the fault diagnosed and repaired before driving, and avoid any steering wheel or dashboard work until the SRS system is repaired.

Tools that help

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Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.