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Home >> Jeep >> 2017 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Heating & Air Conditioning (ATC) - DTCS B1000 To B11CB-92) >> DTC Troubleshooting >> B1137-11-Cabin Heater 3 Control - Circuit Short To Ground >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(C363) CABIN HEATER 3 RELAY CONTROL CIRCUIT (A/C HEATER MODULE TERMINAL 12) SHORTED TO GROUND
POSITIVE TEMPERATURE COEFFICIENT (PTC) 3 RELAY
HVAC MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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