Fault code lookup

PowertrainP01B0

Caution

Severity: Caution - get it checked when you can

Alternative fuel tank 'A' level sensor range/performance

12 brands affected · Description from Toyota data.

Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · Powertrain: engine, transmission and emissions

1What it means in plain English

This code is in the fuel, air and oxygen sensor range, which also includes coolant temperature faults.

2Common causes

  1. Dirty or faulty mass air flow sensor
  2. Vacuum or intake air leak
  3. Weak fuel pump or clogged fuel filter
  4. Faulty fuel injector
  5. Faulty oxygen sensor
  6. Wiring or connector fault

3Can I drive?

Caution · drive with care

Have it diagnosed if the engine runs badly or the code keeps returning. Because this range includes coolant temperature sensors, watch the temperature gauge: if it climbs into the red, or the engine overheats or stalls, stop safely and get professional help.

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 12

BrandCodeDescriptionSystem
Ashok Leyland CVP01B0AdBlue/DEF (Diesel Exhaust Fluid) Injector. Operation Failure BrandPowertrain
DaewooP01B0No description available Powertrain
EOBDP01B0Alternative fuel tank 'A' level sensor range/performance BrandPowertrain
GMP01B0No description available Powertrain
HoldenP01B0Alternative Fuel Level Sensor Performance BrandPowertrain
HondaP01B0No description available Powertrain
IsuzuP01B0No description available Powertrain
Land RoverP01B0Alternative Fuel Tank 'A' Level Sensor Range/Performance BrandPowertrain
OpelP01B0No description available Powertrain
PeugeotP01B0No description available Powertrain
SaabP01B0No description available Powertrain
ToyotaP01B0Alternative fuel tank 'A' level sensor range/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.

5Related codes

Browse Pxxx codes or P01Bxx codes.

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