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Home >> Fiat >> 2019 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 52 (Battery Pack Control Module (BPCM) - DTCS P0C77-00 To U1488-00 - 500 - Electric) >> DTC Troubleshooting >> U0335-00-Software Incompatibility With Hybrid/EV Battery Pack Sensor Module >> Possible Causes

Possible Causes

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Possible Causes
HIGH VOLTAGE BATTERY PACK
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 .

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

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .