NetworkU1205

Serious

Severity: Serious - have it checked soon

No communication with the steering angle sensor

23 brands affected · Description from Toyota data.

Key terms: Control module: a small computer that runs one part of the car

Safety: This code relates to the steering system. Steering effort may increase.

1What it means in plain English

Control modules in the car cannot communicate with each other over the vehicle network.

2Common causes

Wiring or connector fault on the communication bus
Faulty control module
Low battery voltage or poor ground
Water ingress in a connector or module
Aftermarket device interfering with the bus

3Can I drive?

Serious · drive with care

The car may run normally or may not run at all. If the module that has lost communication controls steering, brakes, park brake, charging or engine cooling, drive only if those systems feel normal; stop safely if the steering becomes heavy, a brake warning appears, or the engine temperature climbs. If the car will not start or runs badly, have it 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
BYD	U1205	Yaw rate/G message counter error Brand	Network
Chery	U1205	Yaw rate/G message counter error Brand	Network
Daewoo	U1205	Loss of serial communications for class 2 devices Brand	Network
DFFS	U1205	Steering wheel speed information failure Brand	Network
DFFX	U1205	Yaw rate/G message counter error Brand	Network
EOBD	U1205	Stuurhoek Brand	Network
Geely	U1205	Yaw rate/G message counter error Brand	Network
GM	U1205	Loss of serial communications for class 2 devices Brand	Network
Great Wall	U1205	Yaw rate/G message counter error Brand	Network
Hafei	U1205	Yaw rate/G message counter error Brand	Network
Holden	U1205	Invalid Data Received From Steering Wheel Angle Sensor Module Brand	Network
Honda	U1205	No description available	Network
Isuzu	U1205	No description available	Network
Mahindra	U1205	No description available	Network
Maserati	U1205	Lost Communication with Rear Heated Seat Module Brand	Network
Mitsubishi	U1205	Yaw rate/G message counter error Brand	Network
Opel	U1205	Loss of serial communications for class 2 devices Brand	Network
Peugeot	U1205	No description available	Network
Proton	U1205	Yaw rate/G message counter error Brand	Network
Saab	U1205	Loss of serial communications for class 2 devices Brand	Network
MG (SAIC)	U1205	Time Out yaw rate Sensor related Data Brand	Network
Smart	U1205	No description available	Network
Toyota	U1205	No communication with the steering angle sensor Brand	Network

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 2

These 7-character codes are manufacturer-specific variants of U1205 and may be reported by some scan tools.

Brand	Code	Description	System
SsangYong	U120500	I2C communication: arbitration error (serial data line stuck low) Brand	Network
Mercedes-Benz	U120587	Die Kommunikation mit dem AIRSCARF hinten hat Funktionsstoerung. Botschaft fehlt. Brand	Network

6Related codes

Browse Uxxx codes or U120xx codes.