B1B88
Passenger Seat Weight Sensor 1 Right Rear Input Circuit Low
B1B88 is an OBD-II diagnostic trouble code meaning: Passenger Seat Weight Sensor 1 Right Rear Input Circuit Low. Common causes: open or short circuit in wiring harness, passenger weight sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Incorrect deployment of airbags
- The security system malfunction indicator is on
- Restraint system scan error
Causes
- Open or short circuit in wiring harness
- Passenger weight sensor malfunction
- Problems with the passive safety control module
- Oxidation of contacts
How to Fix
- Check the condition of the wiring harness to the sensor
- Check the resistance of the load cell
- Inspect contacts for oxidation
- Replace sensor or module if necessary
- Reset the error and test the system
Related codes
FAQ
What does the B1B88 code mean?
B1B88 is an OBD-II diagnostic trouble code that indicates: Passenger Seat Weight Sensor 1 Right Rear Input Circuit Low
What causes a B1B88 error code?
The most common causes of B1B88 include: Open or short circuit in wiring harness; Passenger weight sensor malfunction; Problems with the passive safety control module; Oxidation of contacts.
How do I fix a B1B88 diagnostic trouble code?
To fix B1B88: Check the condition of the wiring harness to the sensor. Check the resistance of the load cell. Inspect contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1B88?
Do not drive — repair immediately
How much does it cost to fix B1B88?
The estimated repair cost for B1B88 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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