Fault code lookup

PowertrainP1B30

Caution

Severity: Caution - get it checked when you can

Motor over-temperature - analog quantity

14 brands affected · Description from BYD data.

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

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

Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.

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 14

BrandCodeDescriptionSystem
BYDP1B30Motor over-temperature - analog quantity BrandPowertrain
CheryP1B30Domian 0 power supply fault BrandPowertrain
DaewooP1B30No description available Powertrain
EOBDP1B30Spanning pack te hoog BrandPowertrain
GMP1B30No description available Powertrain
HoldenP1B30Hybrid/EV Battery Pack Temperature Measurement System Performance - Expected Temperature Change Not Detected BrandPowertrain
HyundaiP1B30No description available Powertrain
MitsubishiP1B30EV-BMU Cell number unmatched BrandPowertrain
OpelP1B30No description available Powertrain
PeugeotP1B30No description available Powertrain
ProtonP1B30EV-BMU Cell number unmatched BrandPowertrain
SaabP1B30No description available Powertrain
MG (SAIC)P1B30Traction Motor(TM) Derating BrandPowertrain
SuzukiP1B30Vehicle Speed Pulse Output Short to oc OR gnd 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 P1B3xx codes.

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