OBD Guide
ENFRDEESPT

B1642

Lost Communication With Side Satellite Sensor Bus Right

B1642 is an OBD-II diagnostic trouble code meaning: Lost Communication With Side Satellite Sensor Bus Right. Common causes: broken or damaged wiring harness to the sensor, side 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

  • Airbag light is on
  • Restraint system disabled
  • Error B1642 in fault memory

Causes

  • Broken or damaged wiring harness to the sensor
  • Side airbag sensor malfunction
  • Problems with the SRS control unit
  • Corrosion or poor contact in connectors
  • Consequences of an accident

How to Fix

  1. Diagnose the SRS system using a scanner
  2. Check the integrity of the wiring harness to the sensor
  3. Inspect the connectors and contacts of the sensor
  4. Check the functionality of the sensor
  5. If necessary, replace the sensor or wiring harness
  6. Reset the error and check the system

Related codes

B1640B1641B1643

FAQ

What does the B1642 code mean?

B1642 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Side Satellite Sensor Bus Right

What causes a B1642 error code?

The most common causes of B1642 include: Broken or damaged wiring harness to the sensor; Side airbag sensor malfunction; Problems with the SRS control unit; Corrosion or poor contact in connectors.

How do I fix a B1642 diagnostic trouble code?

To fix B1642: Diagnose the SRS system using a scanner. Check the integrity of the wiring harness to the sensor. Inspect the connectors and contacts of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1642?

Do not drive — repair immediately

How much does it cost to fix B1642?

The estimated repair cost for B1642 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat