PowertrainP1546

Caution

Severity: Caution - get it checked when you can

Battery temperature sensor B

25 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 battery temperature. A hot or poorly cooled battery can lose power, and a damaged battery carries a fire risk.

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

Sensor or actuator fault
Wiring or connector fault
Vacuum or intake leak
Fuel or ignition problem
Control module fault

3Can I drive?

Caution · drive with care

Watch for a battery temperature warning. If the warning is on, stop safely and let the battery cool; do not charge a hot battery and have it checked.

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 25

Brand	Code	Description	System
Ashok Leyland CV	P1546	No description available	Powertrain
BAIC Motor	P1546	Battery sensor charging failed Brand	Powertrain
BYD	P1546	A/C clutch output circuit fault Brand	Powertrain
Chery	P1546	A/C clutch output circuit fault Brand	Powertrain
Daewoo	P1546	Pedal position sensor Brand	Powertrain
Daihatsu	P1546	Starter signal Brand	Powertrain
DFXK	P1546	Boost Pressure Regulation Valve (N75): Short to Plus Brand	Powertrain
EOBD	P1546	Pedali asendiandur Brand	Powertrain
Geely	P1546	Boost Pressure Regulation Valve (N75): Short to Plus Brand	Powertrain
GM	P1546	Pedal position sensor Brand	Powertrain
Holden	P1546	Exhaust Gas Temperature Sensor 3 Circuit Brand	Powertrain
Hyundai	P1546	No description available	Powertrain
Isuzu	P1546	No description available	Powertrain
Land Rover	P1546	Engine air filter restriction Brand	Powertrain
Mitsubishi	P1546	DOR tampering monitor Brand	Powertrain
Opel	P1546	Pedal position sensor Brand	Powertrain
Perodua	P1546	Starter signal Brand	Powertrain
Peugeot	P1546	No description available	Powertrain
Porsche	P1546	No description available	Powertrain
Proton	P1546	DOR tampering monitor Brand	Powertrain
Saab	P1546	Pedal position sensor Brand	Powertrain
Subaru	P1546	Exhaust Gas Temperature Sensor 2 Circuit Malfunction Brand	Powertrain
Suzuki	P1546	No description available	Powertrain
Toyota	P1546	Battery temperature sensor B Brand	Powertrain
Volkswagen	P1546	Boost Pressure Controle Valve (N75): Short to B+ Brand	Powertrain

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 P1546 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P154600	There is a warning due to an active discharge fault of the high-voltage intermediate circuit. Brand	Powertrain

6Related codes

Browse Pxxx codes or P154xx codes.