BodyB1826

Serious

Severity: Serious - have it checked soon

Engine oil pressure alarm failure

19 brands affected · Description from Toyota data.

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 oil-pressure alarm circuit has failed, so a genuine low-oil-pressure warning may not be shown.

2Common causes

Faulty oil pressure switch or sensor
Damaged wiring or connector
Instrument cluster or warning-light fault
Low engine oil level
Genuine low oil pressure masked by the fault

3Can I drive?

Serious · drive with care

Do not rely on the oil warning light. Check the oil level and have the alarm circuit repaired before driving further; if you are unsure of the oil pressure, stop the engine and 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 19

Brand	Code	Description	System
Mercedes-Benz	B1826	No description available	Body
Daewoo	B1826	No description available	Body
Daihatsu	B1826	L side side ignition system open circuit Brand	Body
DFFS	B1826	Engine oil pressure alarm failure Brand	Body
Ford	B1826	No description available	Body
GM	B1826	Driver recline sensor circuit performance Brand	Body
Holden	B1826	Engine Oil Pressure Sensor Performance Brand	Body
Honda	B1826	No description available	Body
Hyundai	B1826	No description available	Body
Mazda	B1826	No description available	Body
Opel	B1826	Driver recline sensor circuit performance Brand	Body
Perodua	B1826	L side side ignition system open circuit Brand	Body
Peugeot	B1826	No description available	Body
Proton	B1826	No description available	Body
Saab	B1826	Driver Recline Sensor Circuit Performance Brand	Body
MG (SAIC)	B1826	Timeout TO_ELV_Auth Brand	Body
Subaru	B1826	No description available	Body
Suzuki	B1826	No description available	Body
Toyota	B1826	Engine oil pressure alarm failure Brand	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 2

These 7-character codes are manufacturer-specific variants of B1826 and may be reported by some scan tools.

Brand	Code	Description	System
SsangYong	B182600	pSIS_Driver in EOLP mode Brand	Body
Mercedes-Benz	B182611	No description available	Body

6Related codes

Browse Bxxx codes or B182xx codes.