Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Jeep Liberty Limited, 4WD, AutomaticFACTORY OEM SERVICE PROCEDURE
Memory Seat Module (MSMD) - Electrical Diagnostics
- Diagnostic Code Index
- DTC Troubleshooting
- B1D62-Power Seat Switch Stuck
- B1D63-Power Seat Switch Open
- B1D6D-Seat Horizontal Position Sensor Circuit Low
- B1D6E-Seat Horizontal Position Sensor Circuit High
- B1D71-Seat Front Vertical Position Sensor Circuit Low
- B1D72-Seat Front Vertical Position Sensor Circuit High
- B1D75-Seat Rear Vertical Position Sensor Circuit Low
- B1D76-Seat Rear Vertical Position Sensor Circuit High
- B1D7B-Seat Horizontal Motor Control Circuit Performance
- B1D7F-Seat Front Vertical Motor Control Circuit Performance
- B1D83-Seat Rear Vertical Motor Control Circuit Performance
- B1D9B-Seat Horizontal Front Stop Not Learned
- B210D-Battery Voltage Low
- B210E-Battery Voltage High
- B221C-Memory Seat Module Internal
- U0011-Can Interior Bus Off Performance
- U0141-Lost Communication With Front Control Module
- U0155-Lost Communication With Cluster/CCN
- U0203-Lost Communication With Door Module Front Left
- U0204-Lost Communication With Door Module Front Right
- Standard Procedure
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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