PowertrainP0012

Caution

Severity: Caution - get it checked when you can

A Camshaft Position - Timing Over-Retarded (Bank 1)

39 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 1: the side of the engine containing cylinder 1 · 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 39

Brand	Code	Description	System
Ashok Leyland CV	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
BAIC Motor	P0012	Intake VVT position signal unreasonable Brand	Powertrain
Mercedes-Benz	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
BMW	P0012	Control limit Brand	Powertrain
BYD	P0012	A Camshaft Position Timing Over-Retarded Bank 1 Brand	Powertrain
Chery	P0012	VVT switch speed fault diagnosis Brand	Powertrain
Daewoo	P0012	A Camshaft Position Timing Over-Retarded Bank 1 Brand	Powertrain
Daihatsu	P0012	VVT control Brand	Powertrain
DFFS	P0012	Intake camshaft position delayed Brand	Powertrain
DFFX	P0012	Intake camshaft position delayed Brand	Powertrain
DFXK	P0012	Intake VCP camshaft phase error big Brand	Powertrain
EOBD	P0012	'A' nokkenaspositie - timing te laat bank 1 Brand	Powertrain
Ford	P0012	DTCs P0011 or may stored if you use this test for certin preiod of time Brand	Powertrain
Geely	P0012	Intake Camshaft Phaser Fault, Bank 1 Brand	Powertrain
GM	P0012	A Camshaft Position Timing Over-Retarded Bank 1 Brand	Powertrain
Great Wall	P0012	Intake VVT lockup position implausible fault Brand	Powertrain
Hafei	P0012	A Camshaft Position Timing Over-Retarded Bank 1 Brand	Powertrain
Holden	P0012	Intake Camshaft Position System Performance - Retarded Brand	Powertrain
Honda	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Hyundai	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Isuzu	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Land Rover	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Maserati	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Mazda	P0012	DTCs P0011 or may stored if you use this test for certin preiod of time Brand	Powertrain
Mitsubishi	P0012	V.V.T. over retarded Brand	Powertrain
Opel	P0012	A Camshaft Position Timing Over-Retarded Bank 1 Brand	Powertrain
Perodua	P0012	VVT control Brand	Powertrain
Peugeot	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Porsche	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Proton	P0012	V.V.T. over retarded Brand	Powertrain
Saab	P0012	A Camshaft Position Timing Over-Retarded Bank 1 Brand	Powertrain
MG (SAIC)	P0012	A Camshaft Position - Timing Over-Retarded Brand	Powertrain
Smart	P0012	A Camshaft Position - Timing Over-Retarded (Bank 1) SAE	Powertrain
Suzuki	P0012	A' Camshaft Position Timing Over Retarded (Bank1) Brand	Powertrain
SWM Motor	P0012	Intake VCP camshaft phase error is large Brand	Powertrain
Tata	P0012	'A' Camshaft Position - Timing Over-Retarded Bank 1 Brand	Powertrain
Toyota	P0012	Inlet VCP camshaft phase error large Brand	Powertrain
Volvo	P0012	Camshaft Position Timing Over Retarded (Bank 1) Brand	Powertrain
Volkswagen	P0012	Bank 1: Camshaft A (Intake): Advance Setpoint not Reached 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 P0012 and may be reported by some scan tools.

Brand	Code	Description	System
SsangYong	P001200	Cam actuator - fixed to retard position Brand	Powertrain

6Related codes

Browse Pxxx codes or P001xx codes.