Cruise Control Unavailable
The TESLA-DI_A175 (Tesla Drive Inverter (DI)) EV fault code means: Cruise Control Unavailable. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- beginner
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What Are the Symptoms of TESLA-DI_A175?
- Cruise Control and Traffic-Aware Cruise Control will not engage
What Causes TESLA-DI_A175? (Most Likely First)
- The driver canceled the request Possible
- The driver unbuckled their seatbelt Possible
- The front trunk, trunk, or a door is open Possible
- Speed below the 18 mph (30 km/h) Cruise Control minimum Possible
- An environmental condition such as limited visibility Possible
- Valet mode is active, or Track mode (listed in the Model 3 manual) Possible
Can I Still Drive with TESLA-DI_A175?
Yes, but fix soon. TESLA-DI_A175 is rated low severity. It is not an immediate stop-driving fault, but it will not clear itself — book the repair rather than ignoring it.
Frequently Asked Questions
Why is cruise control unavailable on my Tesla?
Tesla lists: the request was canceled, the seatbelt is unbuckled, a door, trunk or front trunk is open, speed is under 18 mph (30 km/h), an environmental condition such as limited visibility, or Valet mode is on. The Model 3 manual also lists Track mode.
Is DI_a175 a fault?
Usually not. It clears once the blocking condition is gone. Tesla suggests service only if it persists over later drives.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose TESLA-DI_A175?
Take control and drive manually.
Check the conditions Tesla lists: seatbelt buckled, all doors and trunks closed, speed above 18 mph (30 km/h), Valet mode off (and, on a Model 3, Track mode off).
Once no condition is blocking it, Cruise Control should be available again. If the alert persists over later drives, schedule service; Tesla says the car is OK to drive meanwhile.
Sources 4
This page is built from documented references. Verify against your own service info before repair work.
- Tesla Model 3 Owner's Manual (2024+, North America, software 2026.20), Troubleshooting Alerts, printed p.275-276: DI_a175, "Cruise control unavailable"
- Tesla Model Y Owner's Manual (online edition, read 2026-10-23), Troubleshooting Alerts: DI_a175
- Tesla firmware alert reference (core-hacked/tesla-alerts-dictionary): DI_a175_crsNotAvailablecommunity-maintained dictionary, not an official manufacturer document
- Tessie Tesla alert statisticsthird-party Tesla alert reference with owner-telemetry frequency — not an official Tesla document
Which Vehicles Commonly Get TESLA-DI_A175?
- Tesla Model 3
- Tesla Model Y
- Tesla Model S
- Tesla Model X
- Tesla Cybertruck
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