VOLVO
IEM-U1A4B97 - Control Module Processor B. Component Failures. Component or system operation obstructed or blocked
System
Unbekanntes System / Herstellerspezifisch
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 named blocked, it relates to an internal fault in the microprocessor of the electric rear axle drive module (IEM). The fault is only checked once the test has started at ignition on, and the code is stored when the conditions are met.
Mögliche Ursachen
- Software error in the electric rear axle drive module (IEM)
- Internal fault inside the ISC voltage converter
Was Sie tun können
- 1Read out, clear the code, start the car and see whether it returns
- 2Have a workshop install new software for the control module if one is available
- 3If the fault remains, have a workshop check the control module and the voltage conversion unit ISC
- 4Do not work on the electric rear axle or its high voltage system yourself; have a workshop carry out those checks
Symptome, die Sie bemerken können4
- Warning symbol and text message in the display
- PURE drive mode disengages by itself or is not available
- AWD drive mode disengages by itself or is not available
- HYBRID drive mode runs with the combustion engine active all the time or too often
Was der Fehler beeinflussen kann2
- Electric propulsion is not possible
- Brake energy regeneration from the electric rear axle ERAD is not possible
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.