B1233: Glass Break Sensor Failure

MediumBodyBody Electronics

What does B1233 mean?

B1233 is a diagnostic trouble code indicating "Glass Break Sensor Failure". A sensor in the body electronics is reporting abnormal data or has lost communication with the ECU. Sensors can fail due to age, contamination, heat exposure, or wiring issues.

Common causes

  • Faulty body electronics component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code B1233 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

B1232See Manufacturer
B1231Longitudinal Acceleration Threshold Exceeded
B1229Fuel Temperature Sensor #2 Circuit Short to Ground
B1228Fuel Temperature Sensor #2 Circuit Short to Battery