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Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 58 (Communication - Non-DTC Based Diagnostics - 500 - Electric) >> Diagnosis And Testing >> No Response From EVCU (Electric Vehicle Control Unit) >> ?

No Response From EVCU (Electric Vehicle Control Unit): ?

WARNING: This page is about a different variant/trim than selected.
Possible Causes
FUSED B(+) CIRCUIT OPEN OR SHORTED
GROUND CIRCUIT OPEN
CAN C BUS (+) CIRCUIT OPEN
CAN C BUS (-) CIRCUIT OPEN
ELECTRIC VEHICLE CONTROL UNIT (EVCU)
WARNING:

On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury.

Refer to HIGH-VOLTAGE POWER DOWN PROCEDURE to perform the High Voltage Power Down procedure.