OBD Guide
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B1033

Crash Zone Sensor

B1033 is an OBD-II diagnostic trouble code meaning: Crash Zone Sensor. Common causes: damage to the collision zone sensor, sensor 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
  • Restraint system does not activate upon impact
  • Error B1033 in diagnostic scanner memory

Causes

  • Damage to the collision zone sensor
  • Sensor contact corrosion
  • Open or short circuit in wiring harness
  • Airbag control module malfunction

How to Fix

  1. Check the integrity of the collision zone sensor
  2. Inspect the wiring harness for damage
  3. Check sensor contacts for corrosion
  4. Replace sensor if necessary
  5. Reset the error and check the system

Related codes

B1034B1035B1000

FAQ

What does the B1033 code mean?

B1033 is an OBD-II diagnostic trouble code that indicates: Crash Zone Sensor

What causes a B1033 error code?

The most common causes of B1033 include: Damage to the collision zone sensor; Sensor contact corrosion; Open or short circuit in wiring harness; Airbag control module malfunction.

How do I fix a B1033 diagnostic trouble code?

To fix B1033: Check the integrity of the collision zone sensor. Inspect the wiring harness for damage. Check sensor contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1033?

Do not drive — repair immediately

How much does it cost to fix B1033?

The estimated repair cost for B1033 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat