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, Power Liftgate (PLGM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1882-92 | B1882-92 LIFTGATE POSITION SENSOR-PERFORMANCE OR INCORRECT OP |
| B1886-11 | B1886-11 LIFTGATE PINCH SENSOR-CIRCUIT SHORT TO GROUND |
| B1886-12 | B1886-12 LIFTGATE PINCH SENSOR-CIRCUIT SHORT TO BATTERY |
| B188C-11 | B188C-11 LIFTGATE CONTROL CIRCUIT 1-CIRCUIT SHORT TO GROUND |
| B188C-12 | B188C-12 LIFTGATE CONTROL CIRCUIT 1-CIRCUIT SHORT TO BATTERY |
| B188C-13 | B188C-13 LIFTGATE CONTROL CIRCUIT 1-CIRCUIT OPEN |
| B18E1-12 | B18E1-12 POWER LIFTGATE FRONT ZONE SWITCH-CIRCUIT SHORT TO BA |
| B18E1-2A | B18E1-2A POWER LIFTGATE FRONT ZONE SWITCH-STUCK |
| B1941-92 | B1941-92 POWER LIFTGATE POSITION SENSOR 2-PERFORMANCE OR INCORRECT OPERATION |
| B1945-11 | B1945-11 POWER LIFTGATE PINCH SENSOR 2-CIRCUIT SHORT TO GROUND |
| B1945-12 | B1945-12 POWER LIFTGATE PINCH SENSOR 2-CIRCUIT SHORT TO BATTERY |
| B1949-12 | B1949-12 POWER LIFTGATE REAR ZONE SWITCH-CIRCUIT SHORT TO BATTERY |
| B1949-2A | B1949-2A POWER LIFTGATE REAR ZONE SWITCH-STUCK |
| B1952-00 | B1952-00 POWER LIFTGATE DRIVE MOTOR - INCORRECT DIRECTION |
| B195F-11 | B195F-11 POWER LIFTGATE CHIME CONTROL-CIRCUIT SHORT TO GROUND |
| B195F-12 | B195F-12 POWER LIFTGATE CHIME CONTROL-CIRCUIT SHORT TO BATTERY |
| B1963-00 | B1963-00 POWER LIFTGATE STRUT PERFORMANCE |
| B1964-12 | B1964-12 POWER LIFTGATE SENSOR SUPPLY-CIRCUIT SHORT TO BATTERY |
| B1967 | B1967-00 POWER LIFTGATE OPEN DIRECTION OVERCURRENT |
| B196A-00 | B196A-00 POWER LIFTGATE CLOSE DIRECTION OVERCURRENT |
| B197B-29 | B197B-29 RATCHET FORK SWITCH-SIGNAL INVALID |
| B197C-29 | B197C-29 PAWL DETENT SWITCH-SIGNAL INVALID |
| B197D-29 | B197D-29 GEAR POSITION SWITCH 1-SIGNAL INVALID |
| B1964-11 | B1964-11 POWER LIFTGATE SENSOR SUPPLY-CIRCUIT SHORT TO GROUND |
| B197E-29 | B197E-29 GEAR POSITION SWITCH 2-SIGNAL INVALID |
| B197F-11 | B197F-11 POWER LIFTGATE LATCH CONTROL 1-CIRCUIT SHORT TO GROUND |
| B197F-12 | B197F-12 POWER LIFTGATE LATCH CONTROL 1-CIRCUIT SHORT TO BATTERY |
| B197F-13 | B197F-13 POWER LIFTGATE LATCH CONTROL 1-CIRCUIT OPEN |
| B2199-16 | B2199-16 BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | B2199-17 BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B21DD-16 | B21DD-16 SYSTEM VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B21DD-17 | B21DD-17 SYSTEM VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B224E-00 | B224E-00 POWER LIFTGATE MODULE INTERNAL- |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL 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.