Fault code lookup

PowertrainP0B81

Caution

Severity: Caution - get it checked when you can

Hybrid Battery Voltage Sense 'O' Circuit

25 brands affected · Description from Toyota data.

Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions

Safety: This code relates to the charging system. The battery may go flat and the car may stall.

1What it means in plain English

The engine or powertrain control system has stored a fault that does not have specific guidance in this database yet.

2Common causes

  1. Sensor or actuator fault
  2. Wiring or connector fault
  3. Vacuum or intake leak
  4. Fuel or ignition problem
  5. Control module fault

3Can I drive?

Caution · drive with care

The electrical system may fail and the battery may go flat, risking a stall. If the battery or charging warning light is on, drive straight to a workshop.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 25

BrandCodeDescriptionSystem
Ashok Leyland CVP0B81No description available Powertrain
BAIC MotorP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
BYDP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
CheryP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
DaewooP0B81No description available Powertrain
DFFSP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
DFFXP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
DFXKP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
EOBDP0B81Sirkuit tegangan baterai Hybrid/EV 'O' BrandPowertrain
GeelyP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
GMP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
Great WallP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
HafeiP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
HoldenP0B81Hybrid/EV Battery 15 Circuit BrandPowertrain
HondaP0B81No description available Powertrain
HyundaiP0B81No description available Powertrain
IsuzuP0B81No description available Powertrain
Land RoverP0B81Hybrid/EV Battery Voltage Sense 'O' Circuit BrandPowertrain
MitsubishiP0B81Cell voltage sensor open BrandPowertrain
OpelP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
PeugeotP0B81No description available Powertrain
ProtonP0B81Cell voltage sensor open BrandPowertrain
SaabP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
MG (SAIC)P0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain
ToyotaP0B81Hybrid Battery Voltage Sense 'O' Circuit BrandPowertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Related codes

Browse Pxxx codes or P0B8xx codes.

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