PowertrainP2684

Serious

Severity: Serious - have it checked soon

Oil level sensor signal failure

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 oil pressure or oil level. Low oil pressure can destroy the engine within minutes.

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?

Serious · drive with care

Stop the engine as soon as it is safe and do not drive until it has been checked. Low oil pressure or a low oil level can destroy the engine within minutes.

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	P2684	No description available	Powertrain
BAIC Motor	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
BYD	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
Chery	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
Daewoo	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
DFFS	P2684	Oil level sensor signal failure Brand	Powertrain
DFFX	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
DFXK	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
EOBD	P2684	Napajanje aktuatora 'C' krug/otvoreno Brand	Powertrain
Geely	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
GM	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
Great Wall	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
Hafei	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
Holden	P2684	Actuator High Control Circuit Group 3 Brand	Powertrain
Honda	P2684	No description available	Powertrain
Hyundai	P2684	No description available	Powertrain
Isuzu	P2684	No description available	Powertrain
Land Rover	P2684	Actuator supply voltage C - circuit/open Brand	Powertrain
Opel	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
Peugeot	P2684	No description available	Powertrain
Porsche	P2684	No description available	Powertrain
Saab	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
MG (SAIC)	P2684	Actuator Supply Voltage C Circuit/Open Brand	Powertrain
Toyota	P2684	Oil level sensor signal 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.

5Related codes

Browse Pxxx codes or P268xx codes.