Fault code lookup

PowertrainP1B0A

Caution

Severity: Caution - get it checked when you can

Drive motor 2 control module system voltage performance

16 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 16

BrandCodeDescriptionSystem
BYDP1B0AMotor phase loss fault BrandPowertrain
CheryP1B0AAD7923 fault BrandPowertrain
DaewooP1B0ANo description available Powertrain
DFXKP1B0AUnexpected disconnection due to high voltage BrandPowertrain
EOBDP1B0AElektroniklåsgivare BrandPowertrain
GMP1B0ANo description available Powertrain
HoldenP1B0ADrive Motor 2 Control Module System Voltage Performance BrandPowertrain
Land RoverP1B0ANo description available Powertrain
MitsubishiP1B0AQuick CHG. contactor circuit high BrandPowertrain
OpelP1B0ANo description available Powertrain
PeugeotP1B0ANo description available Powertrain
ProtonP1B0AQuick CHG. contactor circuit high BrandPowertrain
SaabP1B0ANo description available Powertrain
MG (SAIC)P1B0ACharger Positive Temperature Sensor Circuit Short to Ground BrandPowertrain
SuzukiP1B0ABattery Mode Control CAN Signal Timeout from ECM BrandPowertrain
ToyotaP1B0ADrive motor 2 control module system voltage performance 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 P1B0A and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzP1B0A73Contact 'Negative pole' of the contactor in control unit 'DC safety system' has a malfunction. Actuator Stuck Closed BrandPowertrain

6Related codes

Browse Pxxx codes or P1B0xx codes.

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