Service procedures
12 Volt Battery Reset
Power cycles all of the eFuses on the VCFRONT and VCBATT ECUs and shuts off Sleep Bypass.
PROC_VCBATT_X_12V-RESET
Model S / X (2021+)
Self-tests
2026 firmware
Test AQS Connection
Coriander/tasks/TEST-SELF_VCBATT_X_AQS
What this task does
Tests if the Air Quality Sensor (AQS) is connected to and communicating with the Local Interconnect Network (LIN) bus. This routine confirms the AQS is present, responding, and not reporting fault conditions.
Vehicle & firmware coverage
Open a version to see its description, requirements, and input definitions. Hardware configuration and live vehicle checks also determine availability.
Model S / X (2021+) AMD · Firmware 2026.20.6.1
- Vehicle coverage
- 2021+ Model S, 2021+ Model X
- Supported connection
- Local connection
- Vehicle state
- Stationary · Drive; Stationary · Neutral; Stationary · Parked; Stationary · Reverse
- Gateway diagnostic level
- No specific level listed
Task inputs (0)
No user inputs are listed in this firmware.
Related service tasks
Browse all tasks →
Service procedures
Clear left headlamp latched faults in factory
Clear all left headlamp factory latched faults that were triggering leftHeadlampFactoryFault alert
PROC_VCBATT_X_CLEAR-LEFT-HEADLAMP-LATCHED-FACTORY-FAULTS
Model S / X (2021+)
Self-tests
Left Headlamp Communication Self-Test
Tests the communication of the left headlamp module with the VCBATT ECU.
TEST-SELF_VCBATT_L_HCM
Model S / X (2021+)
Self-tests
LVBMS connection test
TEST-SELF_VCBATT_X_LVBMS
TEST-SELF_VCBATT_X_LVBMS
Model S / X (2021+)