ChassisC1388

Caution

Severity: Caution - get it checked when you can

Steering Angle Sensor (SAS) Failure - Sensor is not calibrated correctly

17 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 the steering system. Steering effort may increase.

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?

Caution · drive with care

Steering effort may increase. If the steering feels heavy or unpredictable, stop safely and have it checked.

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 17

Brand	Code	Description	System
BYD	C1388	Yaw rate sensor active check Brand	Chassis
Chery	C1388	Yaw rate sensor active check Brand	Chassis
Daihatsu	C1388	ESS release point initial set incomplete Brand	Chassis
DFFS	C1388	Steering Angle Sensor (SAS) Failure - Sensor is not calibrated correctly Brand	Chassis
DFFX	C1388	Yaw rate sensor active check Brand	Chassis
Geely	C1388	Yaw rate sensor active check Brand	Chassis
Great Wall	C1388	Yaw rate sensor active check Brand	Chassis
Hafei	C1388	Yaw rate sensor active check Brand	Chassis
Hyundai	C1388	No description available	Chassis
Mitsubishi	C1388	Yaw rate sensor active check Brand	Chassis
Perodua	C1388	ESS release point initial set incomplete Brand	Chassis
Peugeot	C1388	No description available	Chassis
Proton	C1388	Yaw rate sensor active check Brand	Chassis
MG (SAIC)	C1388	Active check Error of the yaw rate Sensor Brand	Chassis
Smart	C1388	No description available	Chassis
Suzuki	C1388	No description available	Chassis
Toyota	C1388	Steering Angle Sensor (SAS) Failure - Sensor is not calibrated correctly 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 C138xx codes.