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Home >> Fiat >> 2017 >> 500 Lounge, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (Body Control Module (BCM) - DTCS B106A-19 To B2229-62 - 500 - Electric) >> DTC Troubleshooting >> B21FE-19 HVAC Wake Up Circuit OVERCURRENT >> Possible Causes

Possible Causes

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Possible Causes
(D505) LIN BUS CIRCUIT SHORTED TO VOLTAGE
HVAC MODULE
BODY CONTROL MODULE (BCM)