Motor Experienced a Reset — OK to Drive, Vehicle Hold Unavailable
The TESLA-DI_A116 (Tesla DI (Drive Inverter) Controller) EV fault code means: Motor Experienced a Reset — OK to Drive, Vehicle Hold Unavailable. This is a moderate severity code.
- Keep driving?
- Yes, with caution
- DIY difficulty
- moderate
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What Are the Symptoms of TESLA-DI_A116?
- Brief change in how the car drives, or a brief shudder while the motor resets (more noticeable at low speed)
- Vehicle Hold does not hold the car when stopped
- Traction control may be unavailable
What Causes TESLA-DI_A116? (Most Likely First)
- The motor's drive inverter reset. Tesla's firmware name for the alert refers to an irrational power-converter reading; the owner's manual describes the effect: a motor reset. Very Likely
Can I Still Drive with TESLA-DI_A116?
Yes, with caution. TESLA-DI_A116 is rated moderate severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does Tesla alert DI_a116 mean?
Tesla's owner's manual says the motor's drive inverter reset. The car is OK to drive, but Vehicle Hold is unavailable until your next drive, so brake to hold the car when stopped.
Is DI_a116 dangerous?
Tesla says it is OK to drive. Use caution: Vehicle Hold and traction control remain off until your next drive. If the motor resets 10 times in a short period, the vehicle gracefully powers off.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose TESLA-DI_A116?
Keep driving: Tesla says the vehicle is OK to drive.
Use the brake pedal to hold the car when stopped, because Vehicle Hold and traction control stay off until your next drive.
In most cases the motor recovers on its own and the alert clears after your next drive.
Tesla notes that if the motor resets 10 times in a short period, the vehicle will gracefully power off. If the alert keeps coming back, request service in the Tesla app.
Sources 2
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.274: DI_a116, "Motor experienced a reset - OK to drive / Vehicle Hold unavailable - Brake using pedal"
- Tesla alert dictionary (canonical firmware alert identifiers)community-maintained dictionary, not an official manufacturer document
Which Vehicles Commonly Get TESLA-DI_A116?
- Tesla Model 3 (Performance) -- highest occurrence due to frequent track and launch use
- Tesla Model S (Plaid) -- tri-motor thermal load during sustained high output
- Tesla Model Y (LR AWD) -- appears during repeated mountain passes and towing in heat
- Tesla Model X (LR, Plaid) -- heavier vehicle mass increases sustained load thermal stress
- Tesla Model 3 (Long Range AWD) -- common on older builds with higher mileage coolant
- Tesla Cybertruck (AWD, Cyberbeast) -- early reports during towing in high ambient temperatures
- Tesla Model S (LR) -- less frequent but seen after sustained highway passes in summer
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