2025-10-30

LV Power (Disconnect and Connect)

Correction code 17010400 0.06 NOTE: Unless otherwise explicitly stated in the procedure, the correction code and FRT listed above reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. NOTE: See Personal Protection to make sure you are wearing proper PPE when performing the procedure below. NOTE: See Ergonomic Precautions for safe and healthy working practices.

  • 2025-10-30: Added a caution to make sure windows are not moved for at least 1 minute before disconnecting the 12V/LV power.
  • 2025-10-16: Updated steps to connect/disconnect LV battery connector.
  • 2024-05-15: Added steps to disconnect charging cable and shut down HVAC.
Warning IconA warning icon, calling your attention to a possibly risky situation
Warning
This procedure disables LV power, but does not verify that high voltage power is no longer available to high voltage components (A/C compressor, inverters, etc). Perform Vehicle HV Disablement Procedure (Test/Adjust) after this procedure, and before servicing high voltage components.
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Warning
Failure to follow the exact order of steps in this procedure may cause permanent damage to the car computer.
Warning IconA warning icon, calling your attention to a possibly risky situation
CAUTION
Before disconnecting the 12V/LV power, make sure windows are not moved for at least 1 minute. Failure to wait before disconnecting can result in component damage.

Disconnect

  1. Disconnect any charging cable from the vehicle.
  2. On the touchscreen, power off the climate control system and wait at least 30 seconds for the climate control system to completely shut down.
  3. Open the LH front door and lower the LH front window.
  4. Remove the rear apron. See Underhood Apron - Rear (Remove and Replace).
  5. Power off the vehicle from the center display.
    Informational PurposesAn informational icon, calling your attention
    Note
    On the touchscreen, touch Controls > Safety > Power Off > Power Off.
  6. Disconnect the LV battery connector from the LV battery.
    1. Release the green locking tab by pulling it outwards (1).
    2. Press the black locking tab numbered as "1" (2A), and then pull the black connector lock outwards (2B).
    3. Press the black locking tab numbered as "2" (3A), and then pull the black connector lock even further outwards (3B) to fully release the connector.
    4. Pull the connector upwards to release it from the LV battery.
  7. Disconnect the first responder loop.
    Informational PurposesAn informational icon, calling your attention
    Note
    Before proceeding to service the vehicle, allow 2 minutes for all electrical circuits to discharge.
  8. If LV power was disconnected to service a high voltage component, verify that high voltage power is no longer available to that component. See Vehicle HV Disablement Procedure (Test/Adjust).

Connect

  1. Connect the first responder loop.
    Warning IconA warning icon, calling your attention to a possibly risky situation
    CAUTION
    Connect the first responder loop BEFORE connecting the LV battery connector.
  2. Connect the LV battery connector to the LV battery.
    1. Connect the connector to the LV battery (1).
    2. Push the black connector lock fully inwards (2).
    3. Push the green locking tab inwards (3) to lock the connector.
  3. Install the rear apron. See Underhood Apron - Rear (Remove and Replace).
  4. Raise the LH front window and close the LH front door.