Diagnostic Trouble Code Chart [09/2021 - 11/2022]

2025 Toyota Corolla Cross XLE, FWDSECTION Diagnostic Trouble Code Chart [09/2021 - 11/2022]
OCCUPANT CLASSIFICATION SYSTEM

DTC No. Detection Item Warning Indicate DTC Output from Priority Test Mode / Check Mode Link
B00C0-28 Passenger Seat Occupant Classification Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure Comes on     Does not apply to test/check mode Refer to DTC B00C0-28: Passenger Seat Occupant Classification Sensor "A" Signal Bias Level Out of Range / Zero Adjustment Failure [09/2021 - 11/2022]
B00C0-86 Passenger Seat Occupant Classification Sensor "A" Signal (some circuit quantity, reported via serial data) Invalid Comes on     Does not apply to test/check mode Refer to DTC B00C0-86: Passenger Seat Occupant Classification Sensor "A" Signal (some circuit quantity, reported via serial data) Invalid [09/2021 - 11/2022]
B00C0-87 Passenger Seat Occupant Classification Sensor "A" Missing Message Comes on     Does not apply to test/check mode Refer to DTC B00C0-87: Passenger Seat Occupant Classification Sensor "A" Missing Message [09/2021 - 11/2022]
B00C0-96 Passenger Seat Occupant Classification Sensor "A" Component Internal Failure Comes on     Does not apply to test/check mode Refer to DTC B00C0-96: Passenger Seat Occupant Classification Sensor "A" Component Internal Failure [09/2021 - ]
B00C2-28 Passenger Seat Occupant Classification Sensor "C" Signal Bias Level Out of Range / Zero Adjustment Failure Comes on     Does not apply to test/check mode Refer to DTC B00C2-28: Passenger Seat Occupant Classification Sensor "C" Signal Bias Level Out of Range / Zero Adjustment Failure [09/2021 - 11/2022]
B00C2-86 Passenger Seat Occupant Classification Sensor "C" Signal (some circuit quantity, reported via serial data) Invalid Comes on     Does not apply to test/check mode Refer to DTC B00C2-86: Passenger Seat Occupant Classification Sensor "C" Signal (some circuit quantity, reported via serial data) Invalid [09/2021 - 11/2022]
B00C2-87 Passenger Seat Occupant Classification Sensor "C" Missing Message Comes on     Does not apply to test/check mode Refer to DTC B00C2-87: Passenger Seat Occupant Classification Sensor "C" Missing Message [09/2021 - 11/2022]
B00C2-96 Passenger Seat Occupant Classification Sensor "C" Component Internal Failure Comes on     Does not apply to test/check mode Refer to DTC B00C2-96: Passenger Seat Occupant Classification Sensor "C" Component Internal Failure [09/2021 - ]
B1793-12 Load Sensor for Occupant Detection System Circuit Short to Battery Comes on     Does not apply to test/check mode Refer to DTC B1793-12: Load Sensor for Occupant Detection System Circuit Short to Battery [09/2021 - 11/2022]
B1793-16 Load Sensor for Occupant Detection System Circuit Voltage Below Threshold Comes on     Does not apply to test/check mode Refer to DTC B1793-16: Load Sensor for Occupant Detection System Circuit Voltage Below Threshold [09/2021 - 11/2022]
B1793-17 Load Sensor for Occupant Detection System Circuit Voltage Above Threshold Comes on     Does not apply to test/check mode Refer to DTC B1793-17: Load Sensor for Occupant Detection System Circuit Voltage Above Threshold [09/2021 - 11/2022]
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.