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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 567 (Electronic Control Modules - Electrical Diagnostics) >> Electronic Control Modules - Electrical Diagnostics >> DTC Troubleshooting >> *No Response From HVAC (A/C Heater Control - ATC Only) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(A114) FUSED B (+) CIRCUIT OPEN OR SHORTED
(F921) FUSED RUN RELAY OUTPUT CIRCUIT OPEN OR SHORTED
(Z906) GROUND CIRCUIT OPEN
(D55) AND (D54) CAN B BUS CIRCUITS OPEN
A/C HEATER CONTROL
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