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.
2018 Alfa Romeo Stelvio BaseFACTORY OEM SERVICE PROCEDURE
Module, Power Liftgate (PLGM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B188C-11 | LIFTGATE CONTROL CIRCUIT 1-SHORT TO GROUND |
| B188C-12 | LIFTGATE CONTROL CIRCUIT 1-SHORT TO BATTERY |
| B188C-13 | LIFTGATE CONTROL CIRCUIT 1-CIRCUIT OPEN |
| B188C-15 | LIFTGATE CONTROL CIRCUIT 1-SHORT TO BATTERY OR OPEN |
| B188C-19 | LIFTGATE CONTROL CIRCUIT 1-CIRCUIT CURRENT ABOVE THRESHOLD |
| B188C-31 | LIFTGATE CONTROL CIRCUIT 1-NO SIGNAL |
| B1890-11 | LIFTGATE CONTROL CIRCUIT 2-SHORT TO GROUND |
| B1890-12 | LIFTGATE CONTROL CIRCUIT 2-SHORT CIRCUIT TO BATTERY |
| B1890-13 | LIFTGATE CONTROL CIRCUIT 2-OPEN CIRCUIT |
| B1890-15 | LIFTGATE CONTROL CIRCUIT 2-SHORT CIRCUIT TO BATTERY OR OPEN |
| B1890-19 | LIFTGATE CONTROL CIRCUIT 2-CIRCUIT CURRENT ABOVE THRESHOLD |
| B1890-31 | LIFTGATE CONTROL CIRCUIT 2-NO SIGNAL |
| B1949-12 | POWER LIFTGATE REAR ZONE SWITCH-CIRCUIT SHORT TO BATTERY |
| B1949-2A | POWER LIFTGATE REAR ZONE SWITCH-STUCK |
| B1954-02 | POWER LIFTGATE LATCH CINCH EXCESSIVE TIME-GENERAL SIGNAL FAILURE |
| B1954-93 | POWER LIFTGATE LATCH CINCH EXCESSIVE TIME-NO OPERATION |
| B1968-92 | POWER LIFTGATE OPEN DIRECTION EXCESSIVE TIME-PERFORMANCE OR INCORRECT OPERATION |
| B196B-92 | POWER LIFTGATE CLOSE DIRECTION EXCESSIVE TIME-PERFORMANCE OR INCORRECT OPERATION |
| B197F-02 | POWER LIFTGATE LATCH CONTROL 1-GENERAL SIGNAL FAILURE |
| B197F-12 | POWER LIFTGATE LATCH CONTROL 1-CIRCUIT SHORT TO BATTERY |
| B2199-16 | BATTERY VOLTAGE-CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE-CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2199-62 | BATTERY VOLTAGE-SIGNAL COMPARE FAILURE |
| B244E-44 | POWER LIFTGATE MODULE INTERNAL-DATA MEMORY FAILURE |
| B224E-45 | POWER LIFTGATE MODULE INTERNAL-PROGRAM MEMORY FAILURE |
| B24E-46 | POWER LIFTGATE MODULE INTERNAL-CALIBRATION/PARAMETER MEMORY FAILURE |
| B24E-4B | POWER LIFTGATE MODULE INTERNAL-OVER TEMPERATURE |
| B24E-54 | POWER LIFTGATE MODULE INTERNAL-MISSING CALIBRATION |
| U0010-31 | BH CAN-NO SIGNAL |
| U0010-88 | BH CAN-BUS OFF |
| U0140-87 | LOST COMMUNICATION WITH BODY CONTROL MODULE-MISSING MESSAGE |
| U0155-87 | LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE-MISSING MESSAGE |
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.