NetworkU1007

Serious

Severity: Serious - have it checked soon

General fault on suspension and wheel CAN network

23 brands affected · Description from Toyota data.

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

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
Ashok Leyland CV	U1007	No description available	Network
Mercedes-Benz	U1007	No description available	Network
Chery	U1007	Engine management module CAN signal fault Brand	Network
Daewoo	U1007	Loss of serial communications for class 2 devices Brand	Network
DFFS	U1007	CAN2 channel bus off Brand	Network
DFXK	U1007	No description available	Network
EOBD	U1007	Voltas ard faighte Brand	Network
Geely	U1007	No description available	Network
GM	U1007	Loss of serial communications for class 2 devices Brand	Network
Holden	U1007	Chassis Expansion CAN Bus Brand	Network
Hyundai	U1007	No description available	Network
Isuzu	U1007	No description available	Network
Land Rover	U1007	Lost Communication With Battery Monitoring Sensor 'A' Brand	Network
Mahindra	U1007	No description available	Network
Mitsubishi	U1007	Security alarm sensorLINtimeout Brand	Network
Opel	U1007	Loss of serial communications for class 2 devices Brand	Network
Peugeot	U1007	No description available	Network
Proton	U1007	Security alarm sensorLINtimeout Brand	Network
Saab	U1007	Loss of serial communications for class 2 devices Brand	Network
Smart	U1007	No description available	Network
Sprinter	U1007	No description available	Network
Suzuki	U1007	CAN Communication Error between Immobilizer Control Module and ECM Brand	Network
Toyota	U1007	General fault on suspension and wheel CAN network 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 U1007 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	U100700	No description available	Network
SsangYong	U100787	CAN communication: Battery Management System (BMS) message not received Brand	Network

6Related codes

Browse Uxxx codes or U100xx codes.