PowertrainP0639

Serious

Severity: Serious - have it checked soon

Throttle Actuator Control Range/Performance (Bank 2)

28 brands affected · Generic SAE J2012 description.

Key terms: Control module: a small computer that runs one part of the car · Bank 2: the side of the engine containing cylinder 2 · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

1What it means in plain English

The engine computer or one of its output circuits has a fault.

2Common causes

Engine control module fault
Power or ground connection problem
Low battery or charging voltage
Wiring short or open circuit
Software or memory fault

3Can I drive?

Serious · drive with care

If the engine runs normally, drive carefully to a workshop for diagnosis. If it runs badly, stalls, or will not restart, have the car towed.

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 28

Brand	Code	Description	System
Ashok Leyland CV	P0639	Hybrid Battery. Control Module 9. Communication Error Brand	Powertrain
BAIC Motor	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
BMW	P0639	Throttle Actuator Control Range/Performance (Bank 2) Brand	Powertrain
BYD	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Chery	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Daewoo	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
DFFS	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
DFFX	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
DFXK	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
EOBD	P0639	Rozsah/výkon ovládania klapky bank 2 Brand	Powertrain
Ford	P0639	Throttle Actuator Control Range/Performance (Bank 2) SAE	Powertrain
Geely	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
GM	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Great Wall	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Hafei	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Holden	P0639	Throttle Actuator Control (TAC) Motor Control Circuit Brand	Powertrain
Hyundai	P0639	Throttle Actuator Control Range/Performance (Bank 2) SAE	Powertrain
Isuzu	P0639	Throttle Actuator Control Range/Performance (Bank 2) SAE	Powertrain
Land Rover	P0639	Throttle actuator control range/performance Bank 2 Brand	Powertrain
Maserati	P0639	Electronic Throttle Control Performance - Bank 2 Brand	Powertrain
Mazda	P0639	Throttle Actuator Control Range/Performance (Bank 2) SAE	Powertrain
Opel	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Peugeot	P0639	Throttle Actuator Control Range/Performance (Bank 2) SAE	Powertrain
Saab	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
MG (SAIC)	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Tata	P0639	Throttle Actuator Control Range/Performance Bank 2 Brand	Powertrain
Toyota	P0639	ECU internal fault (left rear airbag ignition system) Brand	Powertrain
Volkswagen	P0639	Throttle body actuator bank 2 (J544): implausible signal; Defective 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 P063xx codes.