NetworkU0447
SeriousSeverity: Serious - have it checked soon
Invalid Data Received From Serial Data Gateway Module A
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
- 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?
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 29
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| BAIC Motor | U0447 | Invalid Data Received From Gateway A Brand | Network |
| BYD | U0447 | Crash signal abnormal Brand | Network |
| Chery | U0447 | CGW received data invalid Brand | Network |
| Chrysler | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Daewoo | U0447 | Invalid Data Received From Gateway A Brand | Network |
| DFFS | U0447 | Invalid Data Received From Gateway A Brand | Network |
| DFFX | U0447 | Invalid Data Received From Gateway A Brand | Network |
| DFXK | U0447 | Invalid Data Received From Gateway A Brand | Network |
| EOBD | U0447 | Ugyldig data mottatt fra seriell datagateway-modul 'A' Brand | Network |
| Geely | U0447 | Invalid Data Received From Gateway A Brand | Network |
| GM | U0447 | Invalid Data Received From Gateway A Brand | Network |
| Great Wall | U0447 | Invalid Data Received From Gateway A Brand | Network |
| Hafei | U0447 | Invalid Data Received From Gateway A Brand | Network |
| Holden | U0447 | Invalid Data Received from Serial Data Gateway Module Brand | Network |
| Honda | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Hyundai | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Land Rover | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Maserati | U0447 | Implausible data received from central gateway Brand | Network |
| Opel | U0447 | Invalid Data Received From Gateway A Brand | Network |
| Peugeot | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Porsche | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Proton | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Saab | U0447 | Invalid Data Received From Gateway A Brand | Network |
| MG (SAIC) | U0447 | Invalid Data Received From Gateway Brand | Network |
| Subaru | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Suzuki | U0447 | Invalid Data Received From Serial Data Gateway Module A SAE | Network |
| Toyota | U0447 | Invalid Data Received From Gateway A Brand | Network |
| Volkswagen | U0447 | Invalid data received from diagnostic gateway module 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 5
These 7-character codes are manufacturer-specific variants of U0447 and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Porsche | U044700 | Invalid Data Received From Gateway 'A' Brand | Network |
| Mercedes-Benz | U044708 | No description available | Network |
| Sprinter | U044708 | No description available | Network |
| Mercedes-Benz | U0447E0 | Botschaft vom EIS SG wird zeitweise nicht empfangen Brand | Network |
| Mercedes-Benz | U0447FD | Implausible data were received from the central gateway. Brand | Network |
6Related codes
Browse Uxxx codes or U044xx codes.