ChassisC1406

Serious

Severity: Serious - have it checked soon

Electric power steering (EPS) pump overheating

23 brands affected · Description from Toyota data.

Key terms: ABS: anti-lock braking, which stops the wheels locking · Stability control: helps stop the car skidding · Wheel speed sensor: measures how fast each wheel turns

Safety: This code relates to overheating, smoke or a possible fire risk. This code relates to the steering system. Power steering assistance may be reduced or fail.

1What it means in plain English

A chassis system has a fault, usually ABS, traction control or stability control, but some makes use this range for airbags, electric power steering or park brakes.

2Common causes

Faulty wheel speed sensor
Damaged sensor ring or wiring
Faulty ABS module
Low brake fluid
Wheel bearing damage

3Can I drive?

Serious · drive with care

Stop safely and switch the engine off if the car is overheating, smoking or smells of burning, and have it recovered. Do not keep driving.

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
BAIC Motor	C1406	Index sensor error Brand	Chassis
Mercedes-Benz	C1406	No description available	Chassis
BYD	C1406	Coupling protection operation Brand	Chassis
Chery	C1406	Coupling protection operation Brand	Chassis
Daewoo	C1406	No description available	Chassis
DFFS	C1406	Firewall function problem Brand	Chassis
DFFX	C1406	Coupling protection operation Brand	Chassis
Geely	C1406	Coupling protection operation Brand	Chassis
GM	C1406	No description available	Chassis
Great Wall	C1406	Coupling protection operation Brand	Chassis
Hafei	C1406	Coupling protection operation Brand	Chassis
Holden	C1406	No description available	Chassis
Honda	C1406	No description available	Chassis
Isuzu	C1406	No description available	Chassis
Mahindra	C1406	Valve Fault,Outlet Valve RL Brand	Chassis
Mitsubishi	C1406	Coupling protection operation Brand	Chassis
Opel	C1406	No description available	Chassis
Peugeot	C1406	No description available	Chassis
Proton	C1406	Coupling protection operation Brand	Chassis
Saab	C1406	No description available	Chassis
Sprinter	C1406	No description available	Chassis
Suzuki	C1406	No description available	Chassis
Toyota	C1406	Electric power steering (EPS) pump overheating Brand	Chassis

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 Cxxx codes or C140xx codes.