BodyB1477

Caution

Severity: Caution - get it checked when you can

Retained accessory power circuit low

23 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

Wiring or connector fault
Faulty sensor or switch
Water or corrosion in a connector
Control module fault
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 23

Brand	Code	Description	System
BYD	B1477	IG1(B) voltage extraordinary low Brand	Body
Chery	B1477	IG1(B) voltage extraordinary low Brand	Body
Daewoo	B1477	Passenger Curtain Airbag Squib Circuit High Resistance Brand	Body
Daihatsu	B1477	Inverter low voltage power supply error system failure Brand	Body
DFFX	B1477	IG1(B) voltage extraordinary low Brand	Body
Geely	B1477	IG1(B) voltage extraordinary low Brand	Body
GM	B1477	Retained accessory power circuit low Brand	Body
Great Wall	B1477	IG1(B) voltage extraordinary low Brand	Body
Hafei	B1477	IG1(B) voltage extraordinary low Brand	Body
Holden	B1477	No description available	Body
Honda	B1477	No description available	Body
Hyundai	B1477	No description available	Body
Land Rover	B1477	Air Suspension Compressor Control Low Side Circuit Brand	Body
Mitsubishi	B1477	IG1(B) voltage extraordinary low Brand	Body
Perodua	B1477	Inverter low voltage power supply error system failure Brand	Body
Peugeot	B1477	No description available	Body
Proton	B1477	IG1(B) voltage extraordinary low Brand	Body
Saab	B1477	Retained Accessory Power Circuit Low Brand	Body
Smart	B1477	No description available	Body
Subaru	B1477	No description available	Body
Suzuki	B1477	No description available	Body
Tata	B1477	Passenger Inflatable Curtain Resistance Too High Brand	Body
Toyota	B1477	No 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 3

These 7-character codes are manufacturer-specific variants of B1477 and may be reported by some scan tools.

Brand	Code	Description	System
Hyundai	B147700	The SRSCM sets DTC if the measured resistance value of PCAB circuit is more than the threshold value.*In this case, SRSCM checks if there's any fault in circuit by sending current for a while Brand	Body
Mahindra	B147700	MCM VIN mismatch with respect to cloud Brand	Body
SsangYong	B147700	Inflatable curtain airbag -passenger resistance too high Brand	Body

6Related codes

Browse Bxxx codes or B147xx codes.