NetworkU045C
SeriousSeverity: Serious - have it checked soon
Kehtetu andmevoog roolijuhimismoodulilt 'B'
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?
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 8
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | U045C | No description available | Network |
| Daewoo | U045C | No description available | Network |
| EOBD | U045C | Kehtetu andmevoog roolijuhimismoodulilt 'B' Brand | Network |
| GM | U045C | No description available | Network |
| Holden | U045C | No description available | Network |
| Opel | U045C | No description available | Network |
| Peugeot | U045C | No description available | Network |
| Saab | U045C | No description available | 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 8
These 7-character codes are manufacturer-specific variants of U045C and may be reported by some scan tools.
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | U045C00 | Implausible data were received from the control unit 'Rear axle steering'. Brand | Network |
| Mercedes-Benz | U045C29 | Das Signal INP_RAS_Angl_Stat vom RAS-Steuergerät wird mit einem ungültigem Wert empfangen Brand | Network |
| Mercedes-Benz | U045C41 | Botschaften vom RAS-Steuergerät zeigen einen Fehler im Botschaftszähler oder CRC-Fehler Brand | Network |
| Mercedes-Benz | U045C82 | Botschaften vom EIS SG führen in der IDC zu einem kumulierten Fehler. Brand | Network |
| Mercedes-Benz | U045CE0 | SADR-Botschaften vom RAS-Steuergerät zeigen einen Fehler im SADR-Botschaftszähler oder CRC-Fehler Brand | Network |
| Mercedes-Benz | U045CE1 | Das RAS-Steuergerät zeigt einen Fehler an Brand | Network |
| Mercedes-Benz | U045CE2 | Das Signal INP_RAS_Angl_Stat wird mit einem ungültigem Wert empfangen Brand | Network |
| Mercedes-Benz | U045CE3 | Das Signal SADR_Stat_RAS_ST3 wird mit einem ungültigem Wert empfangen Brand | Network |
6Related codes
Browse Uxxx codes or U045xx codes.