OBD Guide
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B1007

Diagnosis Sensor Unit

B1007 is an OBD-II diagnostic trouble code meaning: Diagnosis Sensor Unit. Common causes: wiring harness damage, contact corrosion. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The passive safety system does not pass self-diagnosis
  • Lack of system response when simulating an impact

Causes

  • Wiring harness damage
  • Contact corrosion
  • Malfunction of the sensor diagnostic unit
  • Module software failure

How to Fix

  1. Check wiring harness for damage
  2. Clean contacts from corrosion
  3. Test the sensor diagnostic unit
  4. Reflash the module if necessary
  5. Replace the faulty unit

Related codes

B1001B1002B1003

FAQ

What does the B1007 code mean?

B1007 is an OBD-II diagnostic trouble code that indicates: Diagnosis Sensor Unit

What causes a B1007 error code?

The most common causes of B1007 include: Wiring harness damage; Contact corrosion; Malfunction of the sensor diagnostic unit; Module software failure.

How do I fix a B1007 diagnostic trouble code?

To fix B1007: Check wiring harness for damage. Clean contacts from corrosion. Test the sensor diagnostic unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1007?

Do not drive — repair immediately

How much does it cost to fix B1007?

The estimated repair cost for B1007 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat