Fault code lookup

NetworkU043A

Serious

Severity: Serious - have it checked soon

nvalid Data Received From Suspension Control Module 'B'

20 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

  1. Wiring or connector fault on the communication bus
  2. Faulty control module
  3. Low battery voltage or poor ground
  4. Water ingress in a connector or module
  5. 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 20

BrandCodeDescriptionSystem
Ashok Leyland CVU043ANo description available Network
BAIC MotorU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
BYDU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
CheryU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
DFFSU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
DFFXU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
DFXKU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
EOBDU043AKehtetu andmed saadud riputuskontrollmoodulilt 'B' BrandNetwork
GeelyU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
GMU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
Great WallU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
HafeiU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
HondaU043ANo description available Network
HyundaiU043ANo description available Network
Land RoverU043AInvalid data received from the suspension control module B BrandNetwork
PeugeotU043ANo description available Network
ProtonU043ANo description available Network
SaabU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
MG (SAIC)U043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork
ToyotaU043Anvalid Data Received From Suspension Control Module 'B' BrandNetwork

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 Uxxx codes or U043xx codes.

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