PowertrainP007B

Caution

Severity: Caution - get it checked when you can

Trunk relay unit CAN network failure

27 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 and air metering range, which includes fuel-pressure and camshaft-timing faults.

2Common causes

Dirty or faulty mass air flow sensor
Vacuum or intake air leak
Weak fuel pump or clogged fuel filter
Faulty fuel injector
Faulty oxygen sensor
Wiring or connector fault

3Can I drive?

Caution · drive with care

Have it diagnosed promptly. Some codes in this range affect fuel pressure or camshaft timing; if the engine loses power, runs badly, 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 27

Brand	Code	Description	System
Ashok Leyland CV	P007B	No description available	Powertrain
BAIC Motor	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
BYD	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
Chery	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
Daewoo	P007B	No description available	Powertrain
DFFS	P007B	Trunk relay unit CAN network failure Brand	Powertrain
DFFX	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
DFXK	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
EOBD	P007B	Ladeluftkjøler-temperatursensor kretsområde/ytelse bank 1 Brand	Powertrain
Ford	P007B	This service function should be run after the cause and rectification of the following DTC has been carried out Brand	Powertrain
Geely	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
GM	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
Great Wall	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
Hafei	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
Holden	P007B	Charge Air Cooler Inlet Temperature Sensor Performance Brand	Powertrain
Honda	P007B	No description available	Powertrain
Hyundai	P007B	No description available	Powertrain
Isuzu	P007B	No description available	Powertrain
Land Rover	P007B	Charge air cooler temperature sensor circuit range/performance - Bank 1 Brand	Powertrain
Mitsubishi	P007B	No description available	Powertrain
Opel	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
Peugeot	P007B	No description available	Powertrain
Proton	P007B	No description available	Powertrain
Saab	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
MG (SAIC)	P007B	Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 Brand	Powertrain
Tata	P007B	No description available	Powertrain
Toyota	P007B	Trunk relay unit CAN network failure 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 2

These 7-character codes are manufacturer-specific variants of P007B and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P007B00	Der Ladelufttemperatur-Sensor (Zylinderreihe 1) hat Funktionsstörung. Brand	Powertrain
Mercedes-Benz	P007B27	Der Ladelufttemperatur-Sensor (Zylinderreihe 1) hat Funktionsstörung. Die Signaländerungsrate ist oberhalb des zulässigen Grenzwertes. Brand	Powertrain

6Related codes

Browse Pxxx codes or P007xx codes.