B1030
Diagnosis Sensor Unit
B1030 is an OBD-II diagnostic trouble code meaning: Diagnosis Sensor Unit. Common causes: malfunction of the diagnostic unit, wiring harness damage. Estimated repair cost: $111–333.
Symptoms
- Airbag light is on
- The passive restraint system is not activated during the test
- Error persists after reset
Causes
- Malfunction of the diagnostic unit
- Wiring harness damage
- Power or grounding problems
- Short circuit in the circuit
- Software error
How to Fix
- Check error codes using an OBD-II scanner
- Inspect the wiring harness for damage
- Check the voltage and grounding of the diagnostic unit
- Replace the diagnostic unit if necessary
- Reset the error and check the system
Related codes
FAQ
What does the B1030 code mean?
B1030 is an OBD-II diagnostic trouble code that indicates: Diagnosis Sensor Unit
What causes a B1030 error code?
The most common causes of B1030 include: Malfunction of the diagnostic unit; Wiring harness damage; Power or grounding problems; Short circuit in the circuit.
How do I fix a B1030 diagnostic trouble code?
To fix B1030: Check error codes using an OBD-II scanner. Inspect the wiring harness for damage. Check the voltage and grounding of the diagnostic unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1030?
Do not drive — repair immediately
How much does it cost to fix B1030?
The estimated repair cost for B1030 is $111–333. Actual cost depends on your vehicle, location, and labor rates.
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