ChassisC1667

Serious

Severity: Serious - have it checked soon

Temperature sensor chip MOSFET overheating fault

4 brands affected · Description from Chery 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.

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 4

Brand	Code	Description	System
Ashok Leyland CV	C1667	No description available	Chassis
Chery	C1667	Temperature sensor chip MOSFET overheating fault Brand	Chassis
Hyundai	C1667	No description available	Chassis
SWM Motor	C1667	Overtemperature fault 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.

5Extended variant codes 1

These 7-character codes are manufacturer-specific variants of C1667 and may be reported by some scan tools.

Brand	Code	Description	System
Hyundai	C166700	If SCC CAN message is not received, IGPM sets DTC Brand	Chassis

6Related codes

Browse Cxxx codes or C166xx codes.