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, Fold Stow (FSM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1E2C-11 | 3RD ROW SEAT LEFT RECLINE SWITCH-CIRCUIT SHORT TO GROUND |
| B1E2C-15 | 3RD ROW SEAT LEFT RECLINE SWITCH-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1E2C-2A | 3RD ROW SEAT LEFT RECLINE SWITCH-STUCK |
| B1E32-11 | 3RD ROW SEAT RIGHT RECLINE SWITCH-CIRCUIT SHORT TO GROUND |
| B1E32-15 | 3RD ROW SEAT RIGHT RECLINE SWITCH-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1E32-2A | 3RD ROW SEAT RIGHT RECLINE SWITCH-STUCK |
| B1F1F-11 | SEAT CONTROL SWITCHES - REAR CARGO-CIRCUIT SHORT TO GROUND |
| B1F1F-15 | SEAT CONTROL SWITCHES - REAR CARGO-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1F1F-2A | SEAT CONTROL SWITCHES - REAR CARGO-STUCK |
| B1F20-11 | 3RD ROW SEAT CONTROL SWITCHES - LEFT-CIRCUIT SHORT TO GROUND |
| B1F20-15 | 3RD ROW SEAT CONTROL SWITCHES - LEFT-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1F20-2A | 3RD ROW SEAT CONTROL SWITCHES - LEFT-STUCK |
| B1F21-11 | 3RD ROW SEAT CONTROL SWITCHES - RIGHT-CIRCUIT SHORT TO GROUND |
| B1F21-15 | 3RD ROW SEAT CONTROL SWITCHES - RIGHT-CIRCUIT SHORT TO BATTERY OR OPEN |
| B1F21-2A | 3RD ROW SEAT CONTROL SWITCHES - RIGHT-STUCK |
| B1F28-13 | 3RD ROW SEAT LT - RECLINE MOTOR 1-CIRCUIT OPEN |
| B1F28-31 | 3RD ROW SEAT LT - RECLINE MOTOR 1-NO SIGNAL |
| B1F28-54 | 3RD ROW SEAT LT - RECLINE MOTOR 1-MISSING CALIBRATION |
| B1F28-77 | 3RD ROW SEAT LT - RECLINE MOTOR 1-COMMANDED POSITION NOT REACHABLE |
| B1F28-85 | 3RD ROW SEAT LT - RECLINE MOTOR 1-SIGNAL ABOVE ALLOWABLE RANGE |
| B1F2A-13 | 3RD ROW SEAT RT - RECLINE MOTOR 1-CIRCUIT OPEN |
| B1F2A-31 | 3RD ROW SEAT RT - RECLINE MOTOR 1-NO SIGNAL |
| B1F2A-54 | 3RD ROW SEAT RT - RECLINE MOTOR 1-MISSING CALIBRATION |
| B1F2A-77 | 3RD ROW SEAT RT - RECLINE MOTOR 1-COMMANDED POSITION NOT REACHABLE |
| B1F2A-85 | 3RD ROW SEAT RT - RECLINE MOTOR 1-SIGNAL ABOVE ALLOWABLE RANGE |
| B1F30-13 | 2ND ROW SEAT LT - BACKREST RELEASE MOTOR-CIRCUIT OPEN |
| B1F31-13 | 2ND ROW SEAT RT - BACKREST RELEASE MOTOR-CIRCUIT OPEN |
| B235A-00 | ECU IN-PLANT MODE |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0184-00 | LOST COMMUNICATION WITH RADIO |
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.