MECU Power Supply
WARNING: This page is about a different variant/trim than selected.
The value indicates battery voltage at the Central Electronic Module (CEM). The Accessory Electronic Module (AEM) obtains the value from the Central Electronic Module (CEM) via CAN.
Measurement range: 5-38 V.
Normal value when alternator is charging: 13.0 - 14.5 V.
If a voltage of 36.75 V or 36.875 V is displayed, the value from CAN is faulty according to the transmission control module (TCM).