OBD Guide
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B1433

Right Seat Belt Pre-Tensioner 2 Circuit

B1433 is an OBD-II diagnostic trouble code meaning: Right Seat Belt Pre-Tensioner 2 Circuit. Common causes: pretensioner circuit break, pretensioner squib malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The security system malfunction indicator is on
  • The seat belt pretensioner on the right side does not work during a collision.
  • Error B1433 is stored in the system memory

Causes

  • Pretensioner circuit break
  • Pretensioner squib malfunction
  • Damage to the wiring harness between the control unit and the pretensioner
  • Contact corrosion
  • Malfunction of the security control unit

How to Fix

  1. Check the integrity of the pretensioner chain
  2. Inspect the wiring harness for damage
  3. Check squib resistance
  4. Check contacts for corrosion
  5. If necessary, replace the squib or wiring harness.
  6. Reset the error and check the system operation

Related codes

B1432B1434B1440

FAQ

What does the B1433 code mean?

B1433 is an OBD-II diagnostic trouble code that indicates: Right Seat Belt Pre-Tensioner 2 Circuit

What causes a B1433 error code?

The most common causes of B1433 include: Pretensioner circuit break; Pretensioner squib malfunction; Damage to the wiring harness between the control unit and the pretensioner; Contact corrosion.

How do I fix a B1433 diagnostic trouble code?

To fix B1433: Check the integrity of the pretensioner chain. Inspect the wiring harness for damage. Check squib resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1433?

Do not drive — repair immediately

How much does it cost to fix B1433?

The estimated repair cost for B1433 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat