Fault codes P0Bxx: hybrid or electric propulsion (2)
These codes concern hybrid or electric propulsion (high-voltage battery, electric motor, inverter, charging). High-voltage systems in hybrid and electric vehicles are dangerous: never work on them yourself, call a qualified professional.
Official codes: 256, from smallest to largest. Tap a code to get a direct link to share.
| Code | Meaning |
|---|---|
| P0B00 | Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current |
| P0B01 | Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current Low |
| P0B02 | Electric/Auxiliary Transmission Fluid Pump Motor Phase U Current High |
| P0B03 | Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current |
| P0B04 | Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current Low |
| P0B05 | Electric/Auxiliary Transmission Fluid Pump Motor Phase V Current High |
| P0B06 | Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current |
| P0B07 | Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current Low |
| P0B08 | Electric/Auxiliary Transmission Fluid Pump Motor Phase W Current High |
| P0B09 | Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit/Open |
| P0B0A | Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit Low |
| P0B0B | Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit High |
| P0B0C | Electric/Auxiliary Transmission Fluid Pump A Hydraulic Leakage |
| P0B0D | Electric/Auxiliary Transmission Fluid Pump Motor Control Module |
| P0B0E | Hybrid/EV Battery Pack Current Sensor B Circuit |
| P0B0F | Hybrid/EV Battery Pack Current Sensor B Circuit Range/Performance |
| P0B10 | Hybrid/EV Battery Pack Current Sensor B Circuit Low |
| P0B11 | Hybrid/EV Battery Pack Current Sensor B Circuit High |
| P0B12 | Hybrid/EV Battery Pack Current Sensor B Circuit Intermittent/Erratic |
| P0B13 | Hybrid/EV Battery Pack Current Sensor A/B Correlation |
| P0B14 | Hybrid/EV Battery Pack Voltage Sense B Circuit |
| P0B15 | Hybrid/EV Battery Pack Voltage Sense B Circuit Range/Performance |
| P0B16 | Hybrid/EV Battery Pack Voltage Sense B Circuit Low |
| P0B17 | Hybrid/EV Battery Pack Voltage Sense B Circuit High |
| P0B18 | Hybrid/EV Battery Pack Voltage Sense B Circuit Intermittent/Erratic |
| P0B19 | Hybrid/EV Battery Pack Voltage Sense C Circuit |
| P0B1A | Hybrid/EV Battery Pack Voltage Sense C Circuit Range/Performance |
| P0B1B | Hybrid/EV Battery Pack Voltage Sense C Circuit Low |
| P0B1C | Hybrid/EV Battery Pack Voltage Sense C Circuit High |
| P0B1D | Hybrid/EV Battery Pack Voltage Sense C Circuit Intermittent/Erratic |
| P0B1E | Hybrid/EV Battery Pack Voltage Sense D Circuit |
| P0B1F | Hybrid/EV Battery Pack Voltage Sense D Circuit Range/Performance |
| P0B20 | Hybrid/EV Battery Pack Voltage Sense D Circuit Low |
| P0B21 | Hybrid/EV Battery Pack Voltage Sense D Circuit High |
| P0B22 | Generator Phase U Current Sensor Circuit |
| P0B23 | Hybrid/EV Battery A Voltage |
| P0B24 | Hybrid/EV Battery A Voltage Unstable |
| P0B25 | Hybrid/EV Battery A Voltage Low |
| P0B26 | Hybrid/EV Battery A Voltage High |
| P0B27 | Hybrid/EV Battery B Voltage |
| P0B28 | Hybrid/EV Battery B Voltage Unstable |
| P0B29 | Hybrid/EV Battery B Voltage Low |
| P0B2A | Hybrid/EV Battery B Voltage High |
| P0B2B | Hybrid/EV Battery C Voltage |
| P0B2C | Hybrid/EV Battery C Voltage Unstable |
| P0B2D | Hybrid/EV Battery C Voltage Low |
| P0B2E | Hybrid/EV Battery C Voltage High |
| P0B2F | Hybrid/EV Battery D Voltage |
| P0B30 | Hybrid/EV Battery D Voltage Unstable |
| P0B31 | Hybrid/EV Battery D Voltage Low |
| P0B32 | Hybrid/EV Battery D Voltage High |
| P0B33 | High Voltage Service Disconnect Circuit |
| P0B34 | High Voltage Service Disconnect Circuit Performance |
| P0B35 | High Voltage Service Disconnect Circuit Low |
| P0B36 | High Voltage Service Disconnect Circuit High |
| P0B37 | High Voltage Service Disconnect Open |
| P0B38 | Motor Electronics Coolant Pump B Control Circuit/Open |
| P0B39 | Motor Electronics Coolant Pump B Control Circuit Low |
| P0B3A | Motor Electronics Coolant Pump B Control Circuit High |
| P0B3B | Hybrid/EV Battery Voltage Sense A Circuit |
| P0B3C | Hybrid/EV Battery Voltage Sense A Circuit Range/Performance |
| P0B3D | Hybrid/EV Battery Voltage Sense A Circuit Low |
| P0B3E | Hybrid/EV Battery Voltage Sense A Circuit High |
| P0B3F | Hybrid/EV Battery Voltage Sense A Circuit Intermittent/Erratic |
| P0B40 | Hybrid/EV Battery Voltage Sense B Circuit |
| P0B41 | Hybrid/EV Battery Voltage Sense B Circuit Range/Performance |
| P0B42 | Hybrid/EV Battery Voltage Sense B Circuit Low |
| P0B43 | Hybrid/EV Battery Voltage Sense B Circuit High |
| P0B44 | Hybrid/EV Battery Voltage Sense B Circuit Intermittent/Erratic |
| P0B45 | Hybrid/EV Battery Voltage Sense C Circuit |
| P0B46 | Hybrid/EV Battery Voltage Sense C Circuit Range/Performance |
| P0B47 | Hybrid/EV Battery Voltage Sense C Circuit Low |
| P0B48 | Hybrid/EV Battery Voltage Sense C Circuit High |
| P0B49 | Hybrid/EV Battery Voltage Sense C Circuit Intermittent/Erratic |
| P0B4A | Hybrid/EV Battery Voltage Sense D Circuit |
| P0B4B | Hybrid/EV Battery Voltage Sense D Circuit Range/Performance |
| P0B4C | Hybrid/EV Battery Voltage Sense D Circuit Low |
| P0B4D | Hybrid/EV Battery Voltage Sense D Circuit High |
| P0B4E | Hybrid/EV Battery Voltage Sense D Circuit Intermittent/Erratic |
| P0B4F | Hybrid/EV Battery Voltage Sense E Circuit |
| P0B50 | Hybrid/EV Battery Voltage Sense E Circuit Range/Performance |
| P0B51 | Hybrid/EV Battery Voltage Sense E Circuit Low |
| P0B52 | Hybrid/EV Battery Voltage Sense E Circuit High |
| P0B53 | Hybrid/EV Battery Voltage Sense E Circuit Intermittent/Erratic |
| P0B54 | Hybrid/EV Battery Voltage Sense F Circuit |
| P0B55 | Hybrid/EV Battery Voltage Sense F Circuit Range/Performance |
| P0B56 | Hybrid/EV Battery Voltage Sense F Circuit Low |
| P0B57 | Hybrid/EV Battery Voltage Sense F Circuit High |
| P0B58 | Hybrid/EV Battery Voltage Sense F Circuit Intermittent/Erratic |
| P0B59 | Hybrid/EV Battery Voltage Sense G Circuit |
| P0B5A | Hybrid/EV Battery Voltage Sense G Circuit Range/Performance |
| P0B5B | Hybrid/EV Battery Voltage Sense G Circuit Low |
| P0B5C | Hybrid/EV Battery Voltage Sense G Circuit High |
| P0B5D | Hybrid/EV Battery Voltage Sense G Circuit Intermittent/Erratic |
| P0B5E | Hybrid/EV Battery Voltage Sense H Circuit |
| P0B5F | Hybrid/EV Battery Voltage Sense H Circuit Range/Performance |
| P0B60 | Hybrid/EV Battery Voltage Sense H Circuit Low |
| P0B61 | Hybrid/EV Battery Voltage Sense H Circuit High |
| P0B62 | Hybrid/EV Battery Voltage Sense H Circuit Intermittent/Erratic |
| P0B63 | Hybrid/EV Battery Voltage Sense I Circuit |
| P0B64 | Hybrid/EV Battery Voltage Sense I Circuit Range/Performance |
| P0B65 | Hybrid/EV Battery Voltage Sense I Circuit Low |
| P0B66 | Hybrid/EV Battery Voltage Sense I Circuit High |
| P0B67 | Hybrid/EV Battery Voltage Sense I Circuit Intermittent/Erratic |
| P0B68 | Hybrid/EV Battery Voltage Sense J Circuit |
| P0B69 | Hybrid/EV Battery Voltage Sense J Circuit Range/Performance |
| P0B6A | Hybrid/EV Battery Voltage Sense J Circuit Low |
| P0B6B | Hybrid/EV Battery Voltage Sense J Circuit High |
| P0B6C | Hybrid/EV Battery Voltage Sense J Circuit Intermittent/Erratic |
| P0B6D | Hybrid/EV Battery Voltage Sense K Circuit |
| P0B6E | Hybrid/EV Battery Voltage Sense K Circuit Range/Performance |
| P0B6F | Hybrid/EV Battery Voltage Sense K Circuit Low |
| P0B70 | Hybrid/EV Battery Voltage Sense K Circuit High |
| P0B71 | Hybrid/EV Battery Voltage Sense K Circuit Intermittent/Erratic |
| P0B72 | Hybrid/EV Battery Voltage Sense L Circuit |
| P0B73 | Hybrid/EV Battery Voltage Sense L Circuit Range/Performance |
| P0B74 | Hybrid/EV Battery Voltage Sense L Circuit Low |
| P0B75 | Hybrid/EV Battery Voltage Sense L Circuit High |
| P0B76 | Hybrid/EV Battery Voltage Sense L Circuit Intermittent/Erratic |
| P0B77 | Hybrid/EV Battery Voltage Sense M Circuit |
| P0B78 | Hybrid/EV Battery Voltage Sense M Circuit Range/Performance |
| P0B79 | Hybrid/EV Battery Voltage Sense M Circuit Low |
| P0B7A | Hybrid/EV Battery Voltage Sense M Circuit High |
| P0B7B | Hybrid/EV Battery Voltage Sense M Circuit Intermittent/Erratic |
| P0B7C | Hybrid/EV Battery Voltage Sense N Circuit |
| P0B7D | Hybrid/EV Battery Voltage Sense N Circuit Range/Performance |
| P0B7E | Hybrid/EV Battery Voltage Sense N Circuit Low |
| P0B7F | Hybrid/EV Battery Voltage Sense N Circuit High |
| P0B80 | Hybrid/EV Battery Voltage Sense N Circuit Intermittent/Erratic |
| P0B81 | Hybrid/EV Battery Voltage Sense O Circuit |
| P0B82 | Hybrid/EV Battery Voltage Sense O Circuit Range/Performance |
| P0B83 | Hybrid/EV Battery Voltage Sense O Circuit Low |
| P0B84 | Hybrid/EV Battery Voltage Sense O Circuit High |
| P0B85 | Hybrid/EV Battery Voltage Sense O Circuit Intermittent/Erratic |
| P0B86 | Hybrid/EV Battery Voltage Sense P Circuit |
| P0B87 | Hybrid/EV Battery Voltage Sense P Circuit Range/Performance |
| P0B88 | Hybrid/EV Battery Voltage Sense P Circuit Low |
| P0B89 | Hybrid/EV Battery Voltage Sense P Circuit High |
| P0B8A | Hybrid/EV Battery Voltage Sense P Circuit Intermittent/Erratic |
| P0B8B | Hybrid/EV Battery Voltage Sense Q Circuit |
| P0B8C | Hybrid/EV Battery Voltage Sense Q Circuit Range/Performance |
| P0B8D | Hybrid/EV Battery Voltage Sense Q Circuit Low |
| P0B8E | Hybrid/EV Battery Voltage Sense Q Circuit High |
| P0B8F | Hybrid/EV Battery Voltage Sense Q Circuit Intermittent/Erratic |
| P0B90 | Hybrid/EV Battery Voltage Sense R Circuit |
| P0B91 | Hybrid/EV Battery Voltage Sense R Circuit Range/Performance |
| P0B92 | Hybrid/EV Battery Voltage Sense R Circuit Low |
| P0B93 | Hybrid/EV Battery Voltage Sense R Circuit High |
| P0B94 | Hybrid/EV Battery Voltage Sense R Circuit Intermittent/Erratic |
| P0B95 | Hybrid/EV Battery Voltage Sense S Circuit |
| P0B96 | Hybrid/EV Battery Voltage Sense S Circuit Range/Performance |
| P0B97 | Hybrid/EV Battery Voltage Sense S Circuit Low |
| P0B98 | Hybrid/EV Battery Voltage Sense S Circuit High |
| P0B99 | Hybrid/EV Battery Voltage Sense S Circuit Intermittent/Erratic |
| P0B9A | Hybrid/EV Battery Voltage Sense T Circuit |
| P0B9B | Hybrid/EV Battery Voltage Sense T Circuit Range/Performance |
| P0B9C | Hybrid/EV Battery Voltage Sense T Circuit Low |
| P0B9D | Hybrid/EV Battery Voltage Sense T Circuit High |
| P0B9E | Hybrid/EV Battery Voltage Sense T Circuit Intermittent/Erratic |
| P0B9F | Hybrid/EV Battery Voltage Sense U Circuit |
| P0BA0 | Hybrid/EV Battery Voltage Sense U Circuit Range/Performance |
| P0BA1 | Hybrid/EV Battery Voltage Sense U Circuit Low |
| P0BA2 | Hybrid/EV Battery Voltage Sense U Circuit High |
| P0BA3 | Hybrid/EV Battery Voltage Sense U Circuit Intermittent/Erratic |
| P0BA4 | Hybrid/EV Battery Voltage Sense V Circuit |
| P0BA5 | Hybrid/EV Battery Voltage Sense V Circuit Range/Performance |
| P0BA6 | Hybrid/EV Battery Voltage Sense V Circuit Low |
| P0BA7 | Hybrid/EV Battery Voltage Sense V Circuit High |
| P0BA8 | Hybrid/EV Battery Voltage Sense V Circuit Intermittent/Erratic |
| P0BA9 | Hybrid/EV Battery Voltage Sense W Circuit |
| P0BAA | Hybrid/EV Battery Voltage Sense W Circuit Range/Performance |
| P0BAB | Hybrid/EV Battery Voltage Sense W Circuit Low |
| P0BAC | Hybrid/EV Battery Voltage Sense W Circuit High |
| P0BAD | Hybrid/EV Battery Voltage Sense W Circuit Intermittent/Erratic |
| P0BAE | Hybrid/EV Battery Voltage Sense X Circuit |
| P0BAF | Hybrid/EV Battery Voltage Sense X Circuit Range/Performance |
| P0BB0 | Hybrid/EV Battery Voltage Sense X Circuit Low |
| P0BB1 | Hybrid/EV Battery Voltage Sense X Circuit High |
| P0BB2 | Hybrid/EV Battery Voltage Sense X Circuit Intermittent/Erratic |
| P0BB3 | Hybrid/EV Battery Voltage Sense Y Circuit |
| P0BB4 | Hybrid/EV Battery Voltage Sense Y Circuit Range/Performance |
| P0BB5 | Hybrid/EV Battery Voltage Sense Y Circuit Low |
| P0BB6 | Hybrid/EV Battery Voltage Sense Y Circuit High |
| P0BB7 | Hybrid/EV Battery Voltage Sense Y Circuit Intermittent/Erratic |
| P0BB8 | Hybrid/EV Battery Voltage Sense Z Circuit |
| P0BB9 | Hybrid/EV Battery Voltage Sense Z Circuit Range/Performance |
| P0BBA | Hybrid/EV Battery Voltage Sense Z Circuit Low |
| P0BBB | Hybrid/EV Battery Voltage Sense Z Circuit High |
| P0BBC | Hybrid/EV Battery Voltage Sense Z Circuit Intermittent/Erratic |
| P0BBD | Hybrid Battery Voltage Sense Internal Module Performance |
| P0BBE | Hybrid/EV Battery Pack Voltage Variation |
| P0BBF | Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit/Open |
| P0BC0 | Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit Low |
| P0BC1 | Hybrid/EV Battery Pack Cooling Fan Supply Voltage Circuit High |
| P0BC2 | Hybrid/EV Battery Temperature Sensor E Circuit |
| P0BC3 | Hybrid/EV Battery Temperature Sensor E Circuit Range/Performance |
| P0BC4 | Hybrid/EV Battery Temperature Sensor E Circuit Low |
| P0BC5 | Hybrid/EV Battery Temperature Sensor E Circuit High |
| P0BC6 | Hybrid/EV Battery Temperature Sensor E Circuit Intermittent/Erratic |
| P0BC7 | Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit/Open |
| P0BC8 | Hybrid/EV Battery Pack Cooling Fan 1 Sense Range/Performance |
| P0BC9 | Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit Low |
| P0BCA | Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit High |
| P0BCB | Hybrid/EV Battery Pack Cooling Fan 1 Sense Circuit Intermittent/Erratic |
| P0BCC | Generator Inverter Temperature Sensor A Circuit |
| P0BCD | Generator Inverter Temperature Sensor A Circuit Range/Performance |
| P0BCE | Generator Inverter Temperature Sensor A Circuit Low |
| P0BCF | Generator Inverter Temperature Sensor A Circuit High |
| P0BD0 | Generator Inverter Temperature Sensor A Circuit Intermittent/Erratic |
| P0BD1 | Drive Motor Inverter Temperature Sensor C Circuit |
| P0BD2 | Drive Motor Inverter Temperature Sensor C Circuit Range/Performance |
| P0BD3 | Drive Motor Inverter Temperature Sensor C Circuit Low |
| P0BD4 | Drive Motor Inverter Temperature Sensor C Circuit High |
| P0BD5 | Drive Motor Inverter Temperature Sensor C Circuit Intermittent/Erratic |
| P0BD6 | Drive Motor Inverter Temperature Sensor D Circuit |
| P0BD7 | Drive Motor Inverter Temperature Sensor D Circuit Range/Performance |
| P0BD8 | Drive Motor Inverter Temperature Sensor D Circuit Low |
| P0BD9 | Drive Motor Inverter Temperature Sensor D Circuit High |
| P0BDA | Drive Motor Inverter Temperature Sensor D Circuit Intermittent/Erratic |
| P0BDB | Drive Motor Inverter Temperature Sensor E Circuit |
| P0BDC | Drive Motor Inverter Temperature Sensor E Circuit Range/Performance |
| P0BDD | Drive Motor Inverter Temperature Sensor E Circuit Low |
| P0BDE | Drive Motor Inverter Temperature Sensor E Circuit High |
| P0BDF | Drive Motor Inverter Temperature Sensor E Circuit Intermittent/Erratic |
| P0BE0 | Drive Motor Inverter Temperature Sensor F Circuit |
| P0BE1 | Drive Motor Inverter Temperature Sensor F Circuit Range/Performance |
| P0BE2 | Drive Motor Inverter Temperature Sensor F Circuit Low |
| P0BE3 | Drive Motor Inverter Temperature Sensor F Circuit High |
| P0BE4 | Drive Motor Inverter Temperature Sensor F Circuit Intermittent/Erratic |
| P0BE5 | Drive Motor A Phase U Current Sensor Circuit |
| P0BE6 | Drive Motor A Phase U Current Sensor Circuit Range/Performance |
| P0BE7 | Drive Motor A Phase U Current Sensor Circuit Low |
| P0BE8 | Drive Motor A Phase U Current Sensor Circuit High |
| P0BE9 | Drive Motor A Phase V Current Sensor Circuit |
| P0BEA | Drive Motor A Phase V Current Sensor Circuit Range/Performance |
| P0BEB | Drive Motor A Phase V Current Sensor Circuit Low |
| P0BEC | Drive Motor A Phase V Current Sensor Circuit High |
| P0BED | Drive Motor A Phase W Current Sensor Circuit |
| P0BEE | Drive Motor A Phase W Current Sensor Circuit Range/Performance |
| P0BEF | Drive Motor A Phase W Current Sensor Circuit Low |
| P0BF0 | Drive Motor A Phase W Current Sensor Circuit High |
| P0BF1 | Drive Motor B Phase U Current Sensor Circuit |
| P0BF2 | Drive Motor B Phase U Current Sensor Circuit Range/Performance |
| P0BF3 | Drive Motor B Phase U Current Sensor Circuit Low |
| P0BF4 | Drive Motor B Phase U Current Sensor Circuit High |
| P0BF5 | Drive Motor B Phase V Current Sensor Circuit |
| P0BF6 | Drive Motor B Phase V Current Sensor Circuit Range/Performance |
| P0BF7 | Drive Motor B Phase V Current Sensor Circuit Low |
| P0BF8 | Drive Motor B Phase V Current Sensor Circuit High |
| P0BF9 | Drive Motor B Phase W Current Sensor Circuit |
| P0BFA | Drive Motor B Phase W Current Sensor Circuit Range/Performance |
| P0BFB | Drive Motor B Phase W Current Sensor Circuit Low |
| P0BFC | Drive Motor B Phase W Current Sensor Circuit High |
| P0BFD | Drive Motor A Phase U-V-W Current Sensor Correlation |
| P0BFE | Drive Motor B Phase U-V-W Current Sensor Correlation |
| P0BFF | Drive Motor A Current |
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Official meanings: OBDex (public domain, CC0). Manufacturer codes: dtc-database (MIT license), probable meanings not verified by the manufacturers. The same meaning can vary depending on the model: always have a diagnosis confirmed by a professional.