PowertrainP068C

Serious

Severity: Serious - have it checked soon

ECU internal fault (center 1st row pretensioner ignition system)

23 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 airbag or seat-belt restraint system. An airbag may not deploy in a crash.

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 23

Brand	Code	Description	System
Ashok Leyland CV	P068C	No description available	Powertrain
BAIC Motor	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
BYD	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
Chery	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
Daewoo	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
DFFS	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
DFFX	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
DFXK	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
EOBD	P068C	Cylinder 7 gløderørsstyrekreds lav Brand	Powertrain
Geely	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
GM	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
Great Wall	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
Hafei	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
Holden	P068C	Cylinder 7 Glow Plug Control Circuit Low Voltage Brand	Powertrain
Hyundai	P068C	No description available	Powertrain
Isuzu	P068C	No description available	Powertrain
Land Rover	P068C	Cylinder 7 Glow Plug Control Circuit Low Brand	Powertrain
Opel	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
Peugeot	P068C	No description available	Powertrain
Saab	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
MG (SAIC)	P068C	Glow Plug 7 Control Circuit Low Brand	Powertrain
Toyota	P068C	ECU internal fault (center 1st row pretensioner ignition system) Brand	Powertrain
Volkswagen	P068C	Glow plug cylinder 7: short to ground; 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 P068xx codes.