OBD Guide
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B1632

Lost Communication With Rear Airbag Sensor Right

B1632 is an OBD-II diagnostic trouble code meaning: Lost Communication With Rear Airbag Sensor Right. Common causes: broken or damaged wiring harness to the sensor, rear airbag sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • SRS malfunction indicator is on
  • The passive safety system may not work in an accident.
  • Possible errors in other airbag sensors

Causes

  • Broken or damaged wiring harness to the sensor
  • Rear airbag sensor malfunction
  • Problems with the SRS control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness to the sensor
  2. Check connectors and contacts for corrosion
  3. Check the sensor resistance (compare with reference values)
  4. Replace sensor if necessary
  5. Reset the error and check the system

Related codes

B1630B1631B1633

FAQ

What does the B1632 code mean?

B1632 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Rear Airbag Sensor Right

What causes a B1632 error code?

The most common causes of B1632 include: Broken or damaged wiring harness to the sensor; Rear airbag sensor malfunction; Problems with the SRS control unit; Corrosion or poor contact in connectors.

How do I fix a B1632 diagnostic trouble code?

To fix B1632: Check the integrity of the wiring harness to the sensor. Check connectors and contacts for corrosion. Check the sensor resistance (compare with reference values). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1632?

Do not drive — repair immediately

How much does it cost to fix B1632?

The estimated repair cost for B1632 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat