PowertrainP164A

Serious

Severity: Serious - have it checked soon

Oil pressure switch: implausible signal; Short to ground

13 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

Safety: This code relates to engine oil pressure or oil level. Low oil pressure can destroy the engine within minutes.

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?

Serious · drive with care

Stop the engine as soon as it is safe and do not drive until it has been checked. Low oil pressure or a low oil level can destroy the engine within minutes.

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 13

Brand	Code	Description	System
BYD	P164A	6th gear not in place Brand	Powertrain
Daewoo	P164A	No description available	Powertrain
EOBD	P164A	Feil i lydutgang Brand	Powertrain
GM	P164A	No description available	Powertrain
Holden	P164A	Immobilizer System - Control Module Long Term Memory Performance Brand	Powertrain
Honda	P164A	No description available	Powertrain
Land Rover	P164A	O2 Sensor Positive Current Trim Circuit Performance Brand	Powertrain
Opel	P164A	No description available	Powertrain
Peugeot	P164A	No description available	Powertrain
Proton	P164A	No description available	Powertrain
Saab	P164A	No description available	Powertrain
Tata	P164A	No description available	Powertrain
Volkswagen	P164A	Oil pressure switch: implausible signal; Short to ground 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 3

These 7-character codes are manufacturer-specific variants of P164A and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P164A00	Nachrichtenbertragung vom Smart Start Modul (SSM2) fehlerhaft Brand	Powertrain
Sprinter	P164A00	Nachrichtenübertragung vom Smart Start Modul (SSM2) fehlerhaft Brand	Powertrain
BAIC Motor	P164A1D	Positive Temperature Coefficient (PTC) status - Insulated Gate Bipolar Transistor (IGBT) temperature sensor fault Brand	Powertrain

6Related codes

Browse Pxxx codes or P164xx codes.