PowertrainP1387

Caution

Severity: Caution - get it checked when you can

Control module malfunction - internal Altitude/pressure sensor; Defective

19 brands affected · Description from Volkswagen data.

Key terms: Control module: a small computer that runs one part of the car · Powertrain: engine, transmission and emissions

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

Have it diagnosed promptly. If the car runs and drives normally, drive gently to a workshop. If it runs badly, stalls, overheats, loses oil pressure, or a warning light is flashing or red, stop safely and get professional help. If the code concerns the brakes, brake vacuum or brake assist, do not drive until it is checked: a hard pedal or longer stopping distance means stop.

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 19

Brand	Code	Description	System
BYD	P1387	NO. 136 battery voltage sampling wire loop fault Brand	Powertrain
Chery	P1387	Internal Control Module Malfunction Brand	Powertrain
Daewoo	P1387	Camshaft Position Timing Solenoid #2 Circuit Brand	Powertrain
DFXK	P1387	Internal Control Module Malfunction Brand	Powertrain
EOBD	P1387	ECU belső hiba Brand	Powertrain
Geely	P1387	Internal Control Module Malfunction Brand	Powertrain
GM	P1387	Camshaft Position Timing Solenoid #2 Circuit Brand	Powertrain
Great Wall	P1387	Internal Contr. Module Altitude Sensor Error Brand	Powertrain
Holden	P1387	No description available	Powertrain
Honda	P1387	No description available	Powertrain
Land Rover	P1387	Camshaft position timing solenoid 2 circuit Brand	Powertrain
Mahindra	P1387	No description available	Powertrain
Opel	P1387	Camshaft Position Timing Solenoid #2 Circuit Brand	Powertrain
Peugeot	P1387	No description available	Powertrain
Porsche	P1387	Klopfregelung Zylinder 1: Anschlag erreicht Brand	Powertrain
Proton	P1387	Internal Contr. Module Altitude Sensor Error Brand	Powertrain
Saab	P1387	Camshaft Position Timing Solenoid #2 Circuit Brand	Powertrain
Suzuki	P1387	No description available	Powertrain
Volkswagen	P1387	Control module malfunction - internal Altitude/pressure sensor; 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 P1387 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P138700	DebEvent TypError Prio3 2Trip IUMPR - BW Brand	Powertrain
Peugeot	P138701	No description available	Powertrain

6Related codes

Browse Pxxx codes or P138xx codes.