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U0140 on the 2012 Dodge Journey

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name U0140
18-066-152018-11-19. Service bulletin. Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. The technician may find the following Diagnostic Trouble Code (DTCs) set in the Powertrain Control Module (PCM) memory: ? U0140 - Lost Communication With Body Control Module. (3.6L engine only). NOTE: Attempting to clear this DTC will be unsuccessful. Some customers may experience any of the following: ? Continuous cycling of fuel pump relay when using remote start (3.6L engines) ? Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that P0108 - Manifold Absolute Pressure Sensor Circuit High has been set active or stored (3.6L engine) NOTE: MIL Illumination for P0108 - Manifold Absolute Pressure Sensor Circuit High affects only 2012 model year vehicles equipped with a 3.6L engine (sales code ERB). ? 1 - 2 upshift clunk or bump (2.4L & 3.6L engines) ? 3 - 4 harsh upshift at closed throttle after a WOT stab in 1st or 2nd gear (2.4L & 3.6L engines) ? 4 - 5 upshift clunk or bump (2.4L & 3.6L engines) ? 5 - 6 upshift clunk or bump (3.6L engine) ? 6 - 5 downshift clunk or bump (3.6L engine) ? 6 - 4 downshift clunk or bump (3.6L engine) ? RPM Fluctuating or Jerking feeling while operating in cruise control. Condition is more noticeable when the vehicle is going up and down grades(2.4L & 3.6L engines) ? 1 - 2 harsh upshift going down a grade (2.4L engine) ? 3 - 2 downshift clunk or bump (2.4L engine) ? 4 - 3 downshift clunk or bump (2.4L engine) ? Improves the consistency of how shifts are controlled during upshifts ?torque management? ? Delayed downshifts (3.6L engine) Updating the software will correct the conditions listed above.
18-050-16 REV. A2016-07-14. Service bulletin. "FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM IMPROVEMENTS THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH NEW SOFTWARE. SYMPTOM/CONDITION: A SMALL NUMBER OF CUSTOMERS MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND ONE OR MORE OF THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS) SET IN THE PCM: JC VEHICLES 3.6L: · P0335 - CRANKSHAFT POSITION SENSOR CIRCUIT. · P2610 - PCM INTERNAL ENGINE OFF TIMER PERFORMANCE. · U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM). · P0456 - EVAP SYSTEM SMALL LEAK. · P0108 - MANIFOLD ABSOLUTE PRESSURE SENSOR CIRCUIT HIGH (2012 MY ONLY). THE FOLLOWING TRANSMISSION ENHANCEMENTS ARE ALSO INCLUDED IN THIS SOFTWARE UPDATE: · CONTINUOUS CYCLING OF FUEL PUMP RELAY WHEN USING REMOTE START. · 1 - 2 UPSHIFT CLUNK OR BUMP. · 3 - 4 HARSH UPSHIFT AT CLOSED THROTTLE AFTER A WOT STAB IN 1ST OR 2ND GEAR. · 4 - 5 UPSHIFT CLUNK OR BUMP. · 5 - 6 UPSHIFT CLUNK OR BUMP. · 5- 4 DOWNSHIFT CLUNK OR BUMP. · 6 - 5 DOWNSHIFT CLUNK OR BUMP. · RPM FLUCTUATING OR JERKING WHILE OPERATING IN CRUISE CONTROL. CONDITION IS MORE NOTICEABLE WHEN THE VEHICLE IS GOING UP AND DOWN GRADES. · IMPROVES THE CONSISTENCY OF HOW SHIFTS ARE CONTROLLED DURING UPSHIFTS “TORQUE MANAGEMENT”. · DELAYED DOWNSHIFTS. JC VEHICLES 2.4L: · **U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM).** · P0456 - EVAP SYSTEM SMALL LEAK. THE FOLLOWING TRANSMISSION ENHANCEMENTS ARE ALSO INCLUDED IN THIS SOFTWARE UPDATE: · 1 - 2 UPSHIFT CLUNK OR BUMP. · 3 - 4 HARSH UPSHIFT AT CLOSED THROTTLE AFTER A WOT STAB IN 1ST OR 2ND GEAR. · 4 - 5 UPSHIFT CLUNK OR BUMP. · RPM FLUCTUATING OR JERKING WHILE OPERATING IN CRUISE CONTROL. CONDITION IS MORE NOTICEABLE WHEN THE VEHICLE IS GOING UP AND DOWN GRADES. · 1 - 2 HARSH UPSHIFT GOING DOWN A GRADE. · 3 - 2 DOWNSHIFT CLUNK OR BUMP. · 4 - 3 DOWNSHIFT CLUNK OR BUMP.
SB-18-066-152015-12-02. Service bulletin. 2012-2013 DODGE JOURNEY: BULLETIN ON DIAGNOSTICS TROUBLE CODE U0140 WHICH IS SET IN POWERTRAIN CONTROL MODULE MEMORY. REPROGRAM POWERTRAIN CONTROL MODULE WITH UPDATED SOFTWARE *CN

3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.