OBD Guide
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B1633

Rear Airbag Sensor Assembly Right Initialization Incomplete

B1633 is an OBD-II diagnostic trouble code meaning: Rear Airbag Sensor Assembly Right Initialization Incomplete. Common causes: damage to the sensor wiring harness, rear airbag sensor malfunction. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The SRS system may not work in an accident.
  • The error is stored in the memory of the control unit

Causes

  • Damage to the sensor wiring harness
  • Rear airbag sensor malfunction
  • Problems with the SRS control unit
  • Short circuit or open circuit in the sensor circuit

How to Fix

  1. Check wiring harness for damage
  2. Check sensor connections
  3. Test the sensor using diagnostic equipment
  4. Replace sensor if necessary
  5. Reset the error and check the system

Related codes

B1630B1631B1632

FAQ

What does the B1633 code mean?

B1633 is an OBD-II diagnostic trouble code that indicates: Rear Airbag Sensor Assembly Right Initialization Incomplete

What causes a B1633 error code?

The most common causes of B1633 include: Damage to the sensor wiring harness; Rear airbag sensor malfunction; Problems with the SRS control unit; Short circuit or open circuit in the sensor circuit.

How do I fix a B1633 diagnostic trouble code?

To fix B1633: Check wiring harness for damage. Check sensor connections. Test the sensor using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1633?

Limited driving only, diagnose soon

How much does it cost to fix B1633?

The estimated repair cost for B1633 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat