OBD Guide

B1B83

Passenger Seat Weight Sensor 2 Left Rear Input Circuit Low

B1B83 is an OBD-II diagnostic trouble code meaning: Passenger Seat Weight Sensor 2 Left Rear Input Circuit Low. Common causes: passenger weight sensor malfunction, wiring harness damage. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • SRS may not take into account passenger weight
  • Possible false alarms of the security system

Causes

  • Passenger weight sensor malfunction
  • Wiring harness damage
  • Poor connection in connectors
  • Problems with the SRS control unit

How to Fix

  1. Check the passenger weight sensor for damage
  2. Inspect the wiring harness and connectors for damage
  3. Check connections and contacts
  4. If necessary, replace the sensor or wiring harness
  5. Reset the error and check the system

Related codes

FAQ

What does the B1B83 code mean?

B1B83 is an OBD-II diagnostic trouble code that indicates: Passenger Seat Weight Sensor 2 Left Rear Input Circuit Low

What causes a B1B83 error code?

The most common causes of B1B83 include: Passenger weight sensor malfunction; Wiring harness damage; Poor connection in connectors; Problems with the SRS control unit.

How do I fix a B1B83 diagnostic trouble code?

To fix B1B83: Check the passenger weight sensor for damage. Inspect the wiring harness and connectors for damage. Check connections and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B83?

Do not drive — repair immediately

How much does it cost to fix B1B83?

The estimated repair cost for B1B83 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat