Fault code lookup

BodyB1845

Caution

Severity: Caution - get it checked when you can

driver lumbar down switch circuit malfunction

11 brands affected · Description from GM data.

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

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

Do not assume this code is safe to drive. If it concerns the brakes, brake vacuum, charging/alternator, engine oil or coolant, have it diagnosed before driving. Airbags or seat belts may not work in a crash, and a brake or charging fault can leave the car unsafe or stranded. For convenience systems (windows, locks, climate), have it checked when convenient.

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 11

BrandCodeDescriptionSystem
DaewooB1845No description available Body
GMB1845driver lumbar down switch circuit malfunction BrandBody
HoldenB1845Lumbar Support Down Switch Circuit BrandBody
HondaB1845No description available Body
HyundaiB1845No description available Body
OpelB1845driver lumbar down switch circuit malfunction BrandBody
PeugeotB1845No description available Body
ProtonB1845No description available Body
SaabB1845driver lumbar down switch circuit malfunction BrandBody
SubaruB1845No description available Body
ToyotaB1845No 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 2

These 7-character codes are manufacturer-specific variants of B1845 and may be reported by some scan tools.

BrandCodeDescriptionSystem
SsangYongB184500BT_Rear Passenger in EOLP mode BrandBody
Mercedes-BenzB184528Der Signal-Offset der Bugwelle-Elektronik zur Blockiererkennung hat Funktionsstörung BrandBody

6Related codes

Browse Bxxx codes or B184xx codes.

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