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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 188 (Communication - Non-DTC Based Diagnostics) >> Diagnosis And Testing >> No Response From HVAC (A/C Heater Control Module) - Start/Stop >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
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)
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