PowertrainP06F9

Serious

Severity: Serious - have it checked soon

Glow plug control module 2 system voltage

6 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 computer or one of its output circuits has a fault.

2Common causes

Engine control module fault
Power or ground connection problem
Low battery or charging voltage
Wiring short or open circuit
Software or memory fault

3Can I drive?

Serious · drive with care

If the engine runs normally, drive carefully to a workshop for diagnosis. If it runs badly, stalls, or will not restart, have the car towed.

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 6

Brand	Code	Description	System
Ashok Leyland CV	P06F9	No description available	Powertrain
EOBD	P06F9	Glödstiftsstyrenhet 2 systemspänning Brand	Powertrain
Isuzu	P06F9	No description available	Powertrain
Land Rover	P06F9	Glow plug control module 2 - System voltage Brand	Powertrain
Toyota	P06F9	Glow plug control module 2 system voltage Brand	Powertrain
Volkswagen	P06F9	Glow plug control module 2: system voltage; Implausible signal 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.

5Related codes

Browse Pxxx codes or P06Fxx codes.