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Home >> Fiat >> 2018 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Battery Pack Control Module (BPCM) - DTCS P00B2-00 To P0C76-00 - 500 - Electric) >> DTC Troubleshooting >> P0ADD-00-Hybrid Battery Negative Contactor Control Circuit/Open >> 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 to perform the High Voltage Power Down procedure.

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