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.
2021 Jeep Grand Cherokee L Laredo, AWDFACTORY OEM SERVICE PROCEDURE
Module, Memory Seat, Driver (MSMD)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1D5E-15 | POWER SEAT SWITCH-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1D5E-2A | POWER SEAT SWITCH-STUCK |
| B1D7C-11 | SEAT HORIZONTAL MOTOR CONTROL-CIRCUIT SHORT TO GROUND |
| B1D7C-12 | SEAT HORIZONTAL MOTOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B1D7C-13 | SEAT HORIZONTAL MOTOR CONTROL-CIRCUIT OPEN |
| B1D7C-92 | SEAT HORIZONTAL MOTOR CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B1D7F-11 | SEAT FRONT VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT SHORT TO GROUND |
| B1D7F-12 | SEAT FRONT VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT SHORT TO BATTERY |
| B1D7F-13 | SEAT FRONT VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT OPEN |
| B1D7F-92 | SEAT FRONT VERTICAL MOTOR CONTROL CIRCUIT PERFORMANCE-PERFORMANCE OR INCORRECT OPERATION |
| B1D84-11 | SEAT REAR VERTICAL MOTOR CONTROL-CIRCUIT SHORT TO GROUND |
| B1D84-12 | SEAT REAR VERTICAL MOTOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B1D84-13 | SEAT REAR VERTICAL MOTOR CONTROL-CIRCUIT OPEN |
| B1D84-92 | SEAT REAR VERTICAL MOTOR CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B1D88-11 | SEAT BACKREST MOTOR CONTROL-CIRCUIT SHORT TO GROUND |
| B1D88-12 | SEAT BACKREST MOTOR CONTROL-CIRCUIT SHORT TO BATTERY |
| B1D88-13 | SEAT BACKREST MOTOR CONTROL-CIRCUIT OPEN |
| B1D88-92 | SEAT BACKREST MOTOR CONTROL-PERFORMANCE OR INCORRECT OPERATION |
| B1D93-11 | STEERING COLUMN TELESCOPE MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT SHORT TO GROUND |
| B1D93-12 | STEERING COLUMN TELESCOPE MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT SHORT TO BATTERY |
| B1D93-13 | STEERING COLUMN TELESCOPE MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT OPEN |
| B1D93-92 | STEERING COLUMN TELESCOPE MOTOR CONTROL CIRCUIT PERFORMANCE-PERFORMANCE OR INCORRECT OPERATION |
| B1D97-11 | STEERING COLUMN TILT MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT SHORT TO GROUND |
| B1D97-12 | STEERING COLUMN TILT MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT SHORT TO BATTERY |
| B1D97-13 | STEERING COLUMN TILT MOTOR CONTROL CIRCUIT PERFORMANCE-CIRCUIT OPEN |
| B1D97-92 | STEERING COLUMN TILT MOTOR CONTROL CIRCUIT PERFORMANCE-PERFORMANCE OR INCORRECT OPERATION |
| B1D9B-54 | SEAT HORIZONTAL FRONT STOP NOT LEARNED-MISSING CALIBRATION |
| B1F35-11 | SEAT CUSHION EXTENDER MOTOR-CIRCUIT SHORT TO GROUND |
| B1F35-12 | SEAT CUSHION EXTENDER MOTOR-CIRCUIT SHORT TO BATTERY |
| B1F35-13 | SEAT CUSHION EXTENDER MOTOR-CIRCUIT OPEN |
| B1F35-92 | SEAT CUSHION EXTENDER MOTOR-PERFORMANCE OR INCORRECT OPERATION |
| B1F36-11 | HEADREST HORIZONTAL MOTOR-CIRCUIT SHORT TO GROUND |
| B1F36-12 | HEADREST HORIZONTAL MOTOR-CIRCUIT SHORT TO BATTERY |
| B1F36-13 | HEADREST HORIZONTAL MOTOR-CIRCUIT OPEN |
| B1F36-92 | HEADREST HORIZONTAL MOTOR-PERFORMANCE OR INCORRECT OPERATION |
| B1F37-11 | HEADREST VERTICAL MOTOR-CIRCUIT SHORT TO GROUND |
| B1F37-12 | HEADREST VERTICAL MOTOR-CIRCUIT SHORT TO BATTERY |
| B1F37-13 | HEADREST VERTICAL MOTOR-CIRCUIT OPEN |
| B1F37-92 | HEADREST VERTICAL MOTOR-PERFORMANCE OR INCORRECT OPERATION |
| B210A-84 | SYSTEM VOLTAGE LOW-SIGNAL BELOW ALLOWABLE RANGE |
| B210B-85 | SYSTEM VOLTAGE HIGH-SIGNAL ABOVE ALLOWABLE RANGE |
| B2199-16 | BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2204-00 | ECU CONFIGURATION MISMATCH |
| B221C-42 | (MSM) MEMORY SEAT MODULE INTERNAL-GENERAL MEMORY FAILURE |
| B233C-77 | COMMANDED POSITION NOT REACHABLE-COMMANDED POSITION NOT REACHABLE |
| U0011-88 | CAN INTERIOR BUS OFF PERFORMANCE-BUS OFF |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0199-00 | LOST COMMUNICATION WITH DRIVER DOOR MODULE |
Factory Service Tools
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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.