PowertrainP0C46

Caution

Severity: Caution - get it checked when you can

Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic

24 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 engine cooling or temperature. Overheating can damage the engine.

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 the temperature gauge. Stop safely and let the engine cool if the gauge climbs, steam appears, or a red warning light comes on.

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 24

Brand	Code	Description	System
Ashok Leyland CV	P0C46	Catalyst Temperature Sensor High (Bank 2). Sensor 1 Brand	Powertrain
BAIC Motor	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Mercedes-Benz	P0C46	No description available	Powertrain
BYD	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Chery	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Daewoo	P0C46	No description available	Powertrain
DFFS	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
DFFX	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
DFXK	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
EOBD	P0C46	Hybrid/EV battery pack coolant temperature sensor 'A' circuit intermittent/erratic Brand	Powertrain
Geely	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
GM	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Great Wall	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Hafei	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Holden	P0C46	Hybrid/EV Battery Pack Coolant Temperature Sensor 1 Circuit Erratic Brand	Powertrain
Honda	P0C46	No description available	Powertrain
Hyundai	P0C46	No description available	Powertrain
Isuzu	P0C46	No description available	Powertrain
Land Rover	P0C46	Hybrid/EV Battery Pack Coolant Temperature Sensor 'A' Circuit Intermittent/Erratic Brand	Powertrain
Opel	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Peugeot	P0C46	No description available	Powertrain
Saab	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
MG (SAIC)	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic Brand	Powertrain
Toyota	P0C46	Hybrid Battery Pack Coolant Temperature Sensor Circuit Intermittent/Erratic 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.

5Related codes

Browse Pxxx codes or P0C4xx codes.