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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 ((Totally Integrated Power Module (TIPM) - Electrical Diagnostics)) >> DTC Troubleshooting >> B1138-Cabin Heater 3 Control Circuit Low >> 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
(W24) FUSED RUN RELAY OUTPUT CIRCUIT OPEN
(K363) CABIN HEATER RELAY 3 CONTROL CIRCUIT SHORTED TO GROUND
(K363) CABIN HEATER RELAY 3 CONTROL CIRCUIT OPEN
CABIN HEATER RELAY 3
TOTALLY INTEGRATED POWER MODULE (TIPM)
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