PowertrainP0048

Caution

Severity: Caution - get it checked when you can

Turbocharger/Supercharger Boost Control A Circuit High

35 brands affected · Generic SAE J2012 description.

Key terms: Turbocharger: an exhaust-driven fan that pushes extra air into the engine · Supercharger: an engine-driven fan that pushes extra air into the engine · Boost pressure: extra air pressure made by a turbo or supercharger · Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · 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 35

Brand	Code	Description	System
Ashok Leyland CV	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
BAIC Motor	P0048	Variable Geometry Turbo (VGT) drive circuit short Brand	Powertrain
Mercedes-Benz	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
BYD	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
Chery	P0048	Fault Path For BPA Power Stage Brand	Powertrain
Chrysler	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Daewoo	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
DFFS	P0048	LIN fault Brand	Powertrain
DFFX	P0048	Turbo boost control circuit short circuit to power supply Brand	Powertrain
DFXK	P0048	Booster Drive Circuit Short to Battery Power Brand	Powertrain
EOBD	P0048	Turbolader/kompressor ladetryk kontrol 'A' kreds høj Brand	Powertrain
Ford	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Geely	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
GM	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
Great Wall	P0048	Fault path for BPA power stage Brand	Powertrain
Hafei	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
Holden	P0048	Turbocharger Boost Control Circuit Brand	Powertrain
Honda	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Hyundai	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Isuzu	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Land Rover	P0048	Turbocharger/Supercharger Boost Control A Circuit High Brand	Powertrain
Mahindra	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Maserati	P0048	Turbocharger Boost Control Circuit High Brand	Powertrain
Mitsubishi	P0048	Boost control solenoid high Brand	Powertrain
Opel	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
Peugeot	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Porsche	P0048	Turbo/Super Charger Boost Control Solenoid Circuit High Brand	Powertrain
Proton	P0048	Boost control solenoid high Brand	Powertrain
Saab	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
MG (SAIC)	P0048	Turbocharger/Supercharger Boost Control Solenoid A Circuit High Brand	Powertrain
Smart	P0048	Turbocharger/Supercharger Boost Control A Circuit High SAE	Powertrain
Suzuki	P0048	Turbocharger / Supercharger Boost Control 'A' Circuit High Brand	Powertrain
Tata	P0048	Turbocharger/Supercharger Boost Control " Brand	Powertrain
Toyota	P0048	Turbo boost control circuit short to power supply Brand	Powertrain
Volkswagen	P0048	Boost pressure control valve/solenoid (bank 1): short to plus; Defective 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 P0048 and may be reported by some scan tools.

Brand	Code	Description	System
Hyundai	P004800	is set when excessive current is detected in WGT Control solenoid valve control circuit for more than 1 sec. This code is due to short to battery in control circuit or internal short of WGT Control solenoid valve component Brand	Powertrain
SsangYong	P004800	VGT actuator bypass short circuit(B+) Brand	Powertrain

6Related codes

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