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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1345 (Heating & Air Conditioning - DTCS B1912-15 To U2031-87) >> DTC Troubleshooting >> B1940-54 - Motors End Of Travel Self Learning - Missing Calibration >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
HVAC ACTUATOR LEARN ROUTINE NOT PERFORMED AFTER HVAC MODULE REPLACEMENT
HVAC ACTUATOR LEARN ROUTINE FAILED DUE TO DOOR ACTUATOR MECHANICAL PROBLEM
HVAC MODULE

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

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