VOLVO
IEM-U1A4B61 - Control Module Processor B. Algorithm Based Failures. Signal calculation failure
Układ
Nieznany układ / Specyficzny dla marki
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
1 modelV60 (2011–)
Pokaż modele wg rocznika i silnika (2)
Co oznacza ten kod błędu?
The electric rear axle drive module (IEM) compares the speed of the electric rear axle ERAD with the speed requested at idle. If they do not match, the code is stored. The fault is only checked once the car is driven in gear D or R.
Możliwe przyczyny
- Software error in the electric rear axle drive module (IEM)
- Internal fault inside the ISC voltage converter
Co możesz zrobić
- 1Read out, note and clear the code, then road test in D or R to see whether it returns
- 2Have a workshop check whether new software is available for the control module and install it if needed
- 3If you have diagnostic equipment: compare the measured ERAD speed with the requested speed in live data while driving; they should follow each other without large differences
- 4Do not work on the electric rear axle or its high voltage system yourself; have a workshop carry out those checks
Objawy, które możesz zauważyć4
- 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
Na co może wpływać usterka2
- Electric propulsion is not possible
- Brake energy recovery from the electric rear axle ERAD is not possible
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.