Body Systems (B-Codes)

Body (B-Codes) are diagnostic trouble codes associated with body and comfort systems including interior electronics, lighting, power accessories, SRS safety systems, and HVAC controls. These faults can affect usability, safety, or passenger comfort.Browse body subsystems: Body / Comfort & Interior  ·  Climate Control / HVAC  ·  Airbag / SRS

B0533 – Fuel Sensor Open/Shorted To B+

2 views 2026-03-19

B0540 – Speedometer Circuit

1 views 2026-03-19

B0560 – Tachometer Circuit

1 views 2026-03-19

B0688 – Security System Indicator Circuit High

3 views 2026-03-19

B0689 – Security System Indicator Circuit Open (BCM)

1 views 2026-03-19

B0728 – P (park) Indicator Circuit High (BCM)

1 views 2026-03-19

B0729 – P (park) Indicator Circuit Open (BCM)

2 views 2026-03-19

B0733 – R (reverse) Indicator Circuit High (BCM)

1 views 2026-03-19

B0734 – R (reverse) Indicator Circuit Open (BCM)

2 views 2026-03-19

B0738 – N (neutral) Indicator Circuit High (BCM)

2 views 2026-03-19

B0739 – N (neutral) Indicator Circuit Open (BCM)

2 views 2026-03-20

B0748 – D (drive) Indicator Circuit High (BCM)

4 views 2026-03-20

B0749 – D (drive) Indicator Circuit Open (BCM)

1 views 2026-03-20

B0768 – Service Indicator Circuit High

1 views 2026-03-20

B0770 – All Wheel Drive (AWD) Indicator Circuit

1 views 2026-03-20

B0775 – Four Wheel Drive High Range (4HI) Indicator Circuit

1 views 2026-03-20

B0780 – Four Wheel Drive Low Range (4LO) Indicator Circuit

3 views 2026-03-20

B0785 – Two Wheel Drive High Range (2HI) Indicator Circuit

1 views 2026-03-20

B0790 – Transfer Case Neutral Indicator Circuit

1 views 2026-03-20

B0846 – +5 Volt Reference Out of Range

1 views 2026-03-20

B0856 – Battery 2 Out of Range

2 views 2026-03-20

B0951 – Dimming Circuit

1 views 2026-03-20

B1008 – Motor driven power steering (MDPS) missing error (Hyundai)

1 views 2026-03-31

B1020 – TPMS missing error (Hyundai)

1 views 2026-03-31

B1035 – Ambient temperature sensor high (Mitsubishi)

4 views 2026-03-26

B1049 – Driver airbag module (Nissan)

0 views 2026-04-03

B105C – Air recirculation flap motor mechanical fault (Mercedes-Benz)

1 views 2026-03-30

B1065 – Assist airbag module (Nissan)

0 views 2026-04-03

B1081 – Right front pretensioner (Nissan)

0 views 2026-04-03

B1101 – Battery voltage high (Kia)

1 views 2026-03-31

B1102 – Battery voltage low (Hyundai)

1 views 2026-03-31

B1102 – Battery voltage low (Kia)

1 views 2026-03-31

B1115 – Electric water pump malfunction (Mitsubishi)

4 views 2026-03-26

B1136 – The measurement run for actuator motors for air flaps has a malfunction. (Mercedes-Benz)

1 views 2026-03-30

B1181 – Driver squib (2nd step) circuit open (Lexus)

1 views 2026-03-30

B1186 – Passenger squib (2nd step) circuit open (Lexus)

2 views 2026-03-30

B1206 – Power window (P/W) master switch electronic control unit (ECU) communication stop (Toyota)

3 views 2026-03-28

B1209 – Frontal collision (Nissan)

0 views 2026-04-03

B1238 – Ambient temperature sensor circuit open (high) (Hyundai)

1 views 2026-03-31

B1238 – Ambient temperature sensor circuit open (high) (Kia)

1 views 2026-03-31