OBD Guide
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B1B82

Passenger Seat Weight Sensor 2 Left Rear Performance

B1B82 is an OBD-II diagnostic trouble code meaning: Passenger Seat Weight Sensor 2 Left Rear Performance. Common causes: damage to the load cell, open or shorted wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • The passive safety system fault indicator is on
  • Incorrect deployment of airbags
  • Lack of system response to passenger weight

Causes

  • Damage to the load cell
  • Open or shorted wiring harness
  • Problems with the restraint system control unit
  • Contact corrosion

How to Fix

  1. Check the resistance of the load cell
  2. Inspect the wiring harness for damage
  3. Check connections and contacts
  4. Scan the control unit for additional errors
  5. If necessary, replace the sensor or wiring harness

Related codes

B1B81B1B83B1B84

FAQ

What does the B1B82 code mean?

B1B82 is an OBD-II diagnostic trouble code that indicates: Passenger Seat Weight Sensor 2 Left Rear Performance

What causes a B1B82 error code?

The most common causes of B1B82 include: Damage to the load cell; Open or shorted wiring harness; Problems with the restraint system control unit; Contact corrosion.

How do I fix a B1B82 diagnostic trouble code?

To fix B1B82: Check the resistance of the load cell. Inspect the wiring harness for damage. Check connections and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B82?

Do not drive — repair immediately

How much does it cost to fix B1B82?

The estimated repair cost for B1B82 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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