OBD Guide
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B1B7F

Passenger Seat Weight Sensor 2 Right Front Input Circuit High

B1B7F is an OBD-II diagnostic trouble code meaning: Passenger Seat Weight Sensor 2 Right Front Input Circuit High. Common causes: load sensor circuit shorted to power, broken or damaged 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 airbag malfunction indicator is on
  • Incorrect deployment of airbags
  • Error in the diagnostic system

Causes

  • Load sensor circuit shorted to power
  • Broken or damaged wiring harness
  • Load sensor malfunction
  • Problems with the airbag control module

How to Fix

  1. Check the wiring harness for damage and short circuits.
  2. Check the resistance of the load cell
  3. Check power and ground in the sensor circuit
  4. Replace the load cell if faulty
  5. Reset the error and check the system

Related codes

B1B7EB1B80B1B81

FAQ

What does the B1B7F code mean?

B1B7F is an OBD-II diagnostic trouble code that indicates: Passenger Seat Weight Sensor 2 Right Front Input Circuit High

What causes a B1B7F error code?

The most common causes of B1B7F include: Load sensor circuit shorted to power; Broken or damaged wiring harness; Load sensor malfunction; Problems with the airbag control module.

How do I fix a B1B7F diagnostic trouble code?

To fix B1B7F: Check the wiring harness for damage and short circuits.. Check the resistance of the load cell. Check power and ground in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1B7F?

Do not drive — repair immediately

How much does it cost to fix B1B7F?

The estimated repair cost for B1B7F is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat