Fault code lookup

BodyB1866

Caution

Severity: Caution - get it checked when you can

P seat knee airbag disconnection

16 brands affected · Description from Daihatsu data.

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

Safety: This code relates to the airbag or seat-belt restraint system. An airbag may not deploy in a crash.

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

  1. Wiring or connector fault
  2. Faulty sensor or switch
  3. Water or corrosion in a connector
  4. Control module fault
  5. Low battery voltage

3Can I drive?

Caution · drive with care

The airbag may not deploy in a crash. Have it checked by a qualified technician; do not work on airbag wiring yourself.

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 16

BrandCodeDescriptionSystem
Mercedes-BenzB1866No description available Body
DaewooB1866No description available Body
DaihatsuB1866P seat knee airbag disconnection BrandBody
GMB1866No description available Body
HoldenB1866No description available Body
Land RoverB1866No description available Body
MitsubishiB1866No description available Body
OpelB1866No description available Body
PeroduaB1866P seat knee airbag disconnection BrandBody
PeugeotB1866No description available Body
ProtonB1866No description available Body
SaabB1866No description available Body
SprinterB1866No description available Body
SubaruB1866No description available Body
SuzukiB1866Rear-Center-Right Parking Sensor BrandBody
ToyotaB1866No 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 5

These 7-character codes are manufacturer-specific variants of B1866 and may be reported by some scan tools.

BrandCodeDescriptionSystem
Mercedes-BenzB186600Das Steuergerät 'Leuchtdiodenband' in der Tür vorn rechts hat Funktionsstörung. BrandBody
Mercedes-BenzB186608Das Steuergerät 'Leuchtdiodenband' in der Tür vorn rechts hat Funktionsstörung. Es liegt ein Signalfehler vor oder die Botschaft ist fehlerhaft. BrandBody
Mercedes-BenzB186645Das Steuergerät 'Leuchtdiodenband' in der Tür vorn rechts hat Funktionsstörung. Es liegt ein Fehler im Programmspeicher vor. BrandBody
Mercedes-BenzB186698Das Steuergerät 'Leuchtdiodenband' in der Tür vorn rechts hat Funktionsstörung. Die Komponente oder das System hat Übertemperatur. BrandBody
Mercedes-BenzB18669AControl unit 'Light-emitting diode strip' in the right front door has a malfunction. The operating conditions for the component or the system are not satisfied. BrandBody

6Related codes

Browse Bxxx codes or B186xx codes.

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