Fault code lookup

NetworkU0237

Serious

Severity: Serious - have it checked soon

Lost Communication With Digital Audio Control Module C

22 brands affected · Generic SAE J2012 description.

Key terms: Control module: a small computer that runs one part of the car · SAE J2012: the standard generic code list

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 22

BrandCodeDescriptionSystem
Ashok Leyland CVU0237Lost Communication With Digital Audio Control Module C SAENetwork
BAIC MotorU0237Lost Communication With Digital Audio Control Module C BrandNetwork
BYDU0237Lost Communication With Digital Audio Control Module C BrandNetwork
CheryU0237Lost Communication With Digital Audio Control Module C BrandNetwork
DaewooU0237Lost Communication With Digital Audio Control Module C BrandNetwork
DFFSU0237MEDIA panel communication lost BrandNetwork
DFFXU0237Lost Communication With Digital Audio Control Module C BrandNetwork
DFXKU0237Lost Communication With Digital Audio Control Module C BrandNetwork
EOBDU0237Kaotatud side digitaalse audio juhtmooduliga C BrandNetwork
GeelyU0237Lost Communication With Digital Audio Control Module C BrandNetwork
GMU0237Lost Communication With Digital Audio Control Module C BrandNetwork
Great WallU0237Lost Communication With Digital Audio Control Module C BrandNetwork
HafeiU0237Lost Communication With Digital Audio Control Module C BrandNetwork
HoldenU0237Lost Communication with Multimedia Player Interface Module BrandNetwork
HyundaiU0237Lost Communication With Digital Audio Control Module C SAENetwork
Land RoverU0237Lost Communication With Digital Audio Control Module C SAENetwork
OpelU0237Lost Communication With Digital Audio Control Module C BrandNetwork
PeugeotU0237Lost Communication With Digital Audio Control Module C SAENetwork
SaabU0237Lost Communication With Digital Audio Control Module C BrandNetwork
Maxus (SAIC)U0237Lost Communication With AVAS BrandNetwork
MG (SAIC)U0237Lost Communication With AVAS BrandNetwork
ToyotaU0237MEDIA panel communication lost 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 U023xx codes.

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