PowertrainP10BF

Caution

Severity: Caution - get it checked when you can

Engine coolant bypass valve secondary command signal message counter incorrect

9 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 9

Brand	Code	Description	System
BYD	P10BF	NO. 192 battery voltage sampling wire loop fault Brand	Powertrain
Daewoo	P10BF	No description available	Powertrain
EOBD	P10BF	Czujnik 1 temperatury spalin bank 1 Brand	Powertrain
GM	P10BF	No description available	Powertrain
Holden	P10BF	Engine Coolant Bypass Valve Secondary Command Signal Message Counter Incorrect Brand	Powertrain
Opel	P10BF	No description available	Powertrain
Peugeot	P10BF	No description available	Powertrain
Saab	P10BF	No description available	Powertrain
Toyota	P10BF	Engine coolant bypass valve secondary command signal message counter incorrect 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 P10Bxx codes.