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2014
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Wrangler Sahara, Standard Trans
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Repair and Diagnosis
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Communication Devices
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Communication - Non-DTC Based Diagnostics
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Diagnosis And Testing
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No Response From HVAC (A/C Heater Control Module) - Start/Stop
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Possible Causes
Possible Causes
Possible Causes
(A977) FUSED B(+) CIRCUIT OPEN OR SHORTED
(Z916) GROUND CIRCUIT OPEN
(F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED
(D264) AND (D265) CAN INTERIOR BUS (125K) CIRCUITS OPEN
A/C HEATER CONTROL MODULE (HVAC)