BodyB1FB5

Caution

Severity: Caution - get it checked when you can

Power temperature too high fault

7 brands affected · Description from BYD data.

Key terms: Control module: a small computer that runs one part of the car

Safety: This code relates to engine cooling or temperature. Overheating can damage the engine.

1What it means in plain English

A body system has a fault. Depending on the make, this range can include airbags and seat belts, windows, locks and climate control, and also charging, brake, oil or coolant sensors.

2Common causes

Wiring or connector fault
Faulty sensor or switch
Water or corrosion in a connector
Control module fault
Low battery voltage

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 7

Brand	Code	Description	System
BYD	B1FB5	Power temperature too high fault Brand	Body
Daewoo	B1FB5	No description available	Body
GM	B1FB5	No description available	Body
Holden	B1FB5	No description available	Body
Opel	B1FB5	No description available	Body
Peugeot	B1FB5	No description available	Body
Saab	B1FB5	No description available	Body

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 B1FB5 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	B1FB501	Der Temperatursensor 5 des Steuergerätes 'Leuchtweitenregulierung' hat Funktionsstörung. - Allgemeiner elektrischer Fehler Brand	Body

6Related codes

Browse Bxxx codes or B1FBxx codes.