PowertrainP163A

Caution

Severity: Caution - get it checked when you can

Generator B control circuit

17 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 the charging system. The battery may go flat and the car may stall.

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?

Caution · drive with care

The electrical system may fail and the battery may go flat, risking a stall. If the battery or charging warning light is on, drive straight to a workshop.

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 17

Brand	Code	Description	System
BYD	P163A	Clutch 2 pressure abnormal Brand	Powertrain
Chery	P163A	Electronic Control Unit (ECU) Inside Temperature Value Below Lower Limit Brand	Powertrain
Daewoo	P163A	No description available	Powertrain
DFFX	P163A	SVS (immediate vehicle maintenance) light control circuit voltage is low Brand	Powertrain
DFXK	P163A	Electronic Control Unit (ECU) Inside Temperature Value Below Lower Limit Brand	Powertrain
EOBD	P163A	Generator B styrkrets Brand	Powertrain
GM	P163A	No description available	Powertrain
Great Wall	P163A	Electronic control unit (ECU) inside temperature value below lower limit Brand	Powertrain
Holden	P163A	Fuel Pressure Regulator Performance Brand	Powertrain
Isuzu	P163A	No description available	Powertrain
Land Rover	P163A	Generator B Control Circuit Brand	Powertrain
Mahindra	P163A	No description available	Powertrain
Opel	P163A	No description available	Powertrain
Peugeot	P163A	No description available	Powertrain
Saab	P163A	No description available	Powertrain
Tata	P163A	No description available	Powertrain
Toyota	P163A	Generator B control circuit 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.

5Extended variant codes 2

These 7-character codes are manufacturer-specific variants of P163A and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P163A00	Short circuit to ground error Brand	Powertrain
Sprinter	P163A00	Short circuit to ground error Brand	Powertrain

6Related codes

Browse Pxxx codes or P163xx codes.