VOLVO
ECM-U046900 - Invalid Data Received From Starter/Generator Control Module. General Failure Information. No sub type information
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
10 ModelleS60 (2011–), S80 (2007–), V40 (2013–), V40 Cross Country (2013–), V60 (2011–), V60 Cross Country (2015–), V70 (2008–), XC60 (2009–), XC70 (2008–), XC90 (2003–)
Modelle nach Baujahr und Motor anzeigen (35)
- Volvo S60 (2011–)2011–2012Nur Motor: B6304T4
- Volvo S60 (2011–)2013Nur Motor: B5204T8, B5204T9, B5254T12, B5254T14, B6304T4
- Volvo S60 (2011–)2014Alle Motoren außer: B4164T, B4164T2, B4164T3, B4204T7, D4162T, D5204T3, D5204T7, D5244T11, D5244T15
- Volvo S60 (2011–)2015Alle Motoren außer: B4164T, B4164T2, B4164T3, D4162T, D5204T3, D5204T7, D5244T11, D5244T15, D5244T23
- Volvo S80 (2007–)2008–2009Nur Motor: B4204S3, B4204S4
- Volvo S80 (2007–)2010Nur Motor: B4204S3, B4204S4, B6304T2, B6324S, B8444S
- Volvo S80 (2007–)2011Nur Motor: B4204S3, B4204S4, B6304T4, B6324S5, B8444S
- Volvo S80 (2007–)2012Nur Motor: B6304T4, B6324S5
- Volvo S80 (2007–)2013Nur Motor: B5254T12, B5254T14, B6304T4, B6324S5
- Volvo S80 (2007–)2014Nur Motor: B4204T11, B4204T12, B4204T15, B5254T12, B5254T14, B6304T4, B6324S5, D4204T5
- Volvo S80 (2007–)2015Alle Motoren außer: B4164T, B6324S4, D4162T, D5204T3, D5244T15
- Volvo V40 (2013–)2013–2014Nur Motor: B5204T8, B5204T9, B5254T12, B5254T14
- Volvo V40 (2013–)2015Nur Motor: B4204T11, B5204T8, B5204T9, D4204T14
- Volvo V40 Cross Country (2013–)2013–2014Nur Motor: B5204T8, B5204T9, B5254T12, B5254T14
- Volvo V40 Cross Country (2013–)2015Alle Motoren außer: B4164T, D4162T, D5204T6
- Volvo V60 (2011–)2011–2012Nur Motor: B6304T4
- Volvo V60 (2011–)2013Nur Motor: B5204T8, B5204T9, B6304T4
- Volvo V60 (2011–)2014Nur Motor: B4204T11, B4204T12, B4204T15, B4204T9, B5204T8, B5204T9, B5254T12, B6304T4, D4204T5
- Volvo V60 (2011–)2015Nur Motor: B4204T11, B4204T12, B4204T15, B4204T9, B5204T9, B5254T12, B6304T3, B6304T4, B6304T5, D4204T5
- Volvo V60 Cross Country (2015–)2015
- Volvo V70 (2008–)2008–2009Nur Motor: B4204S3, B4204S4
- Volvo V70 (2008–)2010Nur Motor: B4204S3, B4204S4, B6304T2, B6324S
- Volvo V70 (2008–)2011Nur Motor: B4204S3, B4204S4, B6304T4, B6324S5
- Volvo V70 (2008–)2012Nur Motor: B6304T4, B6324S5
- Volvo V70 (2008–)2013Nur Motor: B5204T9, B6304T4, B6324S5
- Volvo V70 (2008–)2014Nur Motor: B4204T11, B5204T9, B6304T4, B6324S5, D4204T5
- Volvo V70 (2008–)2015Nur Motor: B4204T11, B5204T9, B6304T4, D4204T5
- Volvo XC60 (2009–)2010Nur Motor: B6304T2, B6324S
- Volvo XC60 (2009–)2011–2013Nur Motor: B6304T4, B6324S5
- Volvo XC60 (2009–)2014Nur Motor: B4204T10, B4204T11, B4204T12, B4204T15, B4204T9, B6304T4, B6324S5, D4204T5
- Volvo XC60 (2009–)2015Alle Motoren außer: B4204T7, B6324S4, D5204T3, D5204T7, D5244T11, D5244T12, D5244T15, D5244T17, D5244T23
- Volvo XC70 (2008–)2010Nur Motor: B6304T2, B6324S
- Volvo XC70 (2008–)2011–2013Nur Motor: B6304T4, B6324S5
- Volvo XC70 (2008–)2014–2015Nur Motor: B4204T11, B6304T4, B6324S5, D4204T5
- Volvo XC90 (2003–)2011–2014Nur Motor: B6324S5
Was bedeutet der Fehlercode?
The engine control module (ECM) controls the alternator's charge voltage over LIN, on request from the central electronic module (CEM) sent over CAN. The code is set when the ECM detects a disturbance in communication with the alternator control module (ACM). Although the fault is named a starter/generator control module, it concerns the communication between the ECM and the ACM.
Mögliche Ursachen
- Increased contact resistance or oxidation in the terminals
- Short-circuit between the LIN cables
- Open circuit in one of the LIN cables
- Damaged alternator control module (ACM), which is the charge regulator
- An alternator with a charge regulator not intended for LIN communication has been fitted
- Internal fault in another control module on the same part of the LIN network
Was Sie tun können
- 1Look for loose, corroded or oxidized connectors at the alternator control module (ACM).
- 2With a multimeter you can check that the signal wire between the modules is not broken and has no contact with ground or voltage.
- 3Check that the alternator is of the correct type, as an alternator not intended for LIN communication causes this code.
- 4Have a workshop read the fault codes with diagnostic equipment and run the CEM quick test for the alternator, as this needs tools.
Symptome, die Sie bemerken können5
- Dead battery
- Low battery or weak electrical power
- The engine is hard to start and cranks slowly
- Warning symbol and message in the display
- The charge warning lamp lights up or behaves abnormally
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.