PowertrainP0023

Caution

Severity: Caution - get it checked when you can

B Camshaft Position Actuator A Control Circuit/Open (Bank 2)

32 brands affected · Generic SAE J2012 description.

Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · Bank 2: the side of the engine containing cylinder 2 · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

1What it means in plain English

This code is in the fuel and air metering range, which includes fuel-pressure and camshaft-timing faults.

2Common causes

Dirty or faulty mass air flow sensor
Vacuum or intake air leak
Weak fuel pump or clogged fuel filter
Faulty fuel injector
Faulty oxygen sensor
Wiring or connector fault

3Can I drive?

Caution · drive with care

Have it diagnosed promptly. Some codes in this range affect fuel pressure or camshaft timing; if the engine loses power, runs badly, or stalls, stop safely and get professional help.

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 32

Brand	Code	Description	System
Ashok Leyland CV	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
BAIC Motor	P0023	Battery negative relay stuck Brand	Powertrain
Mercedes-Benz	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
BMW	P0023	B Camshaft Position - Actuator Circuit B2 Brand	Powertrain
BYD	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
Chery	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
Daewoo	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
DFFS	P0023	Engine torque information (CAN) fault Brand	Powertrain
DFFX	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
DFXK	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
EOBD	P0023	'B' Nockenwellenversteller 'A' Steuerkreis/offen Bank 2 Brand	Powertrain
Geely	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
GM	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
Great Wall	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
Hafei	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
Holden	P0023	Exhaust Camshaft Position Actuator Solenoid Valve Control Circuit Bank 2 Brand	Powertrain
Honda	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Hyundai	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Isuzu	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Land Rover	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Maserati	P0023	Bank 2 Camshaft 2 Position Actuator Circuit Open Brand	Powertrain
Opel	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
Peugeot	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Porsche	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Proton	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Saab	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
MG (SAIC)	P0023	B Camshaft Position Actuator Circuit / Open Bank 2 Brand	Powertrain
Subaru	P0023	B Camshaft Position Actuator A Control Circuit/Open (Bank 2) SAE	Powertrain
Suzuki	P0023	B' Camshaft Position - Actuator Circuit / Open (Bank 2) Brand	Powertrain
Tata	P0023	'B' Camshaft Position - Actuator Circuit Bank 2 Brand	Powertrain
Toyota	P0023	Lost communication with multi-function display or remote communication Brand	Powertrain
Volkswagen	P0023	Bank 2: camshaft B (exhaust): position actuator malfunction; Mechanical failure 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 1

These 7-character codes are manufacturer-specific variants of P0023 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P002313	The actuator 'Exhaust camshaft' (cylinder bank 2) has an electrical fault or an open circuit. There is an open circuit. Brand	Powertrain

6Related codes

Browse Pxxx codes or P002xx codes.