JEEP · 2026-02-16
If the Power Liftgate (PLG) does not operate following battery drainage or when DTCs B2199-16 or B21DD-16 are active, perform the following steps: 1. Verify Battery Voltage: Ensure battery voltage is at nominal value (minimum 12.5 V). Charge the battery, if necessary before proceeding. 2. Confirm Low Voltage DTCs: After charging, verify that any low battery voltage DTCs are stored. 3. Check PLGM Proxi Alignment: 4. If PLGM is not aligned: - Perform Proxi Alignment - Reset the module - Perform module recalibration. 5. If Proxi Is Correct: - Reset the module. - Perform module calibration. 6. Diagnose Active DTCs 7. Inspect wiring and related components associated with those DTCs. Repair as necessary and clear DTCs. 8. Module Replacement: If the module does not accept Proxi alignment, Module…