VOLVO
ECM-U029386 - Lost Communication With Hybrid Powertrain Control Module. Bus Signal / Message Failures. Signal invalid
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
1 ModellV60 (2011–)
Modelle nach Baujahr und Motor anzeigen (2)
Was bedeutet der Fehlercode?
Although the code is titled lost communication with the hybrid powertrain control module and invalid signal, it applies to a request for speed limitation from the electric rear axle drive control module (IEM). The code is set when the engine control module has received such a request. It is set as a follow-on fault from one or more faults registered by the IEM.
Mögliche Ursachen
- Follow-on fault from one or more faults detected by the IEM
- Fault in the electric rear axle drive control module (IEM), which should be diagnosed
Was Sie tun können
- 1Read the codes in the electric rear axle drive control module (IEM) and fix them first
- 2Clear the code in the engine control module only after the IEM codes are fixed and cleared
- 3Check the CAN connectors at the engine control module for loose or corroded connections
- 4Do not work on the high-voltage system yourself. Have a workshop check the electric rear axle drive control module and its codes
Symptome, die Sie bemerken können1
- The car lacks power and performs poorly
Was der Fehler beeinflussen kann1
- Vehicle speed is limited
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.