B1907
BBodyAirbag Crash Sensor 2 Ground Circuit Fault
What does this code mean?
Severity : HighB1907 indicates a ground circuit failure on airbag crash sensor number 2. This is a manufacturer-specific code, so the exact meaning depends on the manufacturer. The airbag control module can no longer check this sensor properly, and deployment of the related airbags may be compromised.
Symptoms
- Airbag warning light permanently on.
- Related airbag or pretensioner may be inactive.
- Other restraint system codes may be stored.
Possible causes
- Loose or corroded crash sensor ground.
- Open or damaged sensor wiring.
- Corroded or poorly latched connector.
- Faulty crash sensor.
- Previous bodywork repair or accident damage.
Diagnosis and repair
- Have a professional do the work, as airbag systems need specific safety precautions.
- Disconnect the battery and wait the specified time before any work.
- Inspect the crash sensor mounting, ground and connector.
- Check ground circuit continuity using the manufacturer diagram.
- Repair or replace the sensor, clear the code and confirm the light goes out.
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Code
B1907
Category
Body
Prefix
B
Standard
OBD-II / SAE J2012