Fault code lookup

PowertrainP0B79

Caution

Severity: Caution - get it checked when you can

Hybrid Battery Voltage Sense 'M' Circuit Low

24 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 24

BrandCodeDescriptionSystem
Ashok Leyland CVP0B79No description available Powertrain
BAIC MotorP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
BYDP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
CheryP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
DaewooP0B79No description available Powertrain
DFFSP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
DFFXP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
DFXKP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
EOBDP0B79Sirkuit tegangan baterai Hybrid/EV 'M' rendah BrandPowertrain
FordP0B79No description available Powertrain
GeelyP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
GMP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
Great WallP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
HafeiP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
HoldenP0B79Hybrid/EV Battery 13 Circuit Low Voltage BrandPowertrain
HyundaiP0B79No description available Powertrain
IsuzuP0B79No description available Powertrain
Land RoverP0B79Hybrid/EV Battery Voltage Sense 'M' Circuit Low BrandPowertrain
MazdaP0B79No description available Powertrain
OpelP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
PeugeotP0B79No description available Powertrain
SaabP0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
MG (SAIC)P0B79Hybrid Battery Voltage Sense 'M' Circuit Low BrandPowertrain
ToyotaP0B79Hybrid Battery Voltage Sense 'M' Circuit Low 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.

5Extended variant codes 1

These 7-character codes are manufacturer-specific variants of P0B79 and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzP0B7900Sensor M for the battery voltage of the hybrid/high-voltage battery has a short circuit to ground. BrandPowertrain

6Related codes

Browse Pxxx codes or P0B7xx codes.

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