P1350: Fuel Level Sensor B Intermittent/Bypass Line Monitor

MediumPowertrainEngine/Powertrain

What does P1350 mean?

P1350 is a diagnostic trouble code indicating "Fuel Level Sensor B Intermittent/Bypass Line Monitor". A sensor in the engine/powertrain 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 engine/powertrain 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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Related codes

P1349Fuel Level Sensor B Circuit High
P1348Fuel Level Sensor B Circuit Low
P1347Fuel Level Sensor B Range / Performance
P1346Fuel Level Sensor B Circuit Malfunction