Fault code lookup

PowertrainP0B99

Caution

Severity: Caution - get it checked when you can

Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic

19 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 19

BrandCodeDescriptionSystem
Ashok Leyland CVP0B99Reverse Output Circuit BrandPowertrain
BAIC MotorP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
BYDP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
CheryP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
DFFSP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
DFFXP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
DFXKP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
EOBDP0B99Hybrid/EV-akun jänniteanturin 'S'-piiri katkonainen/epävakaa BrandPowertrain
GeelyP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
GMP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
Great WallP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
HafeiP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
HyundaiP0B99No description available Powertrain
IsuzuP0B99No description available Powertrain
Land RoverP0B99Hybrid/EV Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
PeugeotP0B99No description available Powertrain
SaabP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
MG (SAIC)P0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic BrandPowertrain
ToyotaP0B99Hybrid Battery Voltage Sense 'S' Circuit Intermittent/Erratic 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

  • P0B90 Check (Automatic Vehicle Detection) button stuck
  • P0B91 Hybrid Battery Voltage Sense 'R' Circuit Range/Performance
  • P0B92 Hybrid Battery Voltage Sense 'R' Circuit Low
  • P0B93 Hybrid Battery Voltage Sense 'R' Circuit High
  • P0B94 Hybrid Battery Voltage Sense 'R' Circuit Intermittent/Erratic
  • P0B95 Hybrid Battery Voltage Sense 'S' Circuit
  • P0B96 Hybrid Battery Voltage Sense 'S' Circuit Range/Performance
  • P0B97 Hybrid Battery Voltage Sense 'S' Circuit Low
  • P0B98 Hybrid Battery Voltage Sense 'S' Circuit High
  • P0B9A Hybrid Battery Voltage Sense 'T' Circuit
  • P0B9B Hybrid Battery Voltage Sense 'T' Circuit Range/Performance
  • P0B9C Hybrid Battery Voltage Sense 'T' Circuit Low

Browse Pxxx codes or P0B9xx codes.

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