PowertrainP166F

Caution

Severity: Caution - get it checked when you can

Generator information not programmed

13 brands affected · Description from Toyota 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 the charging system. The battery may go flat and the car may stall.

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

The electrical system may fail and the battery may go flat, risking a stall. If the battery or charging warning light is on, drive straight to a workshop.

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	P166F	Output shaft sensor collecting warning Brand	Powertrain
Chery	P166F	Fault diagnostic report, post injection 2 requests one ICO when an error is closed Brand	Powertrain
Daewoo	P166F	No description available	Powertrain
DFXK	P166F	ECU internal software and hardware underlying monitoring fault Brand	Powertrain
EOBD	P166F	Delvis motordrift Brand	Powertrain
GM	P166F	No description available	Powertrain
Great Wall	P166F	Pilot injection 2 cut off Brand	Powertrain
Holden	P166F	Generator Information Not Programmed Brand	Powertrain
Isuzu	P166F	No description available	Powertrain
Opel	P166F	No description available	Powertrain
Peugeot	P166F	No description available	Powertrain
Saab	P166F	No description available	Powertrain
Toyota	P166F	Generator information not programmed 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 P166F and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P166F00	Sensor DPF Niedermessbereich Differenzdruck elektrischer Fehler Signalpegel Low Brand	Powertrain
Porsche	P166F00	Partial engine operation Deactivated Brand	Powertrain
Sprinter	P166F00	Sensor DPF Niedermessbereich Differenzdruck elektrischer Fehler Signalpegel Low Brand	Powertrain

6Related codes

Browse Pxxx codes or P166xx codes.