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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 71 (Communication - Non-DTC Based Diagnostics - 500 - Electric) >> Diagnosis And Testing >> No Response From HVAC (A/C Heater Control Module) >> Possible Causes

Possible Causes

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Possible Causes
FUSED B(+) CIRCUIT OPEN OR SHORTED
GROUND CIRCUITS OPEN
FUSED IGNITION RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED
CAN IHS BUS (125K) CIRCUITS OPEN
A/C HEATER MODULE