P0766Tesla Model-xYears: 1996 - 2026
Shift Solenoid D Performance or Stuck Off
Reviewed by ASE Certified Technician
What does this mean?
Code P0766 indicates a problem with shift solenoid D (performance or stuck off).
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Tesla Model-x models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
Faulty transmission shift solenoid
Low, dirty, or burnt transmission fluid
Worn or faulty transmission valve body
Damaged, chafed, or broken wiring harness
Internal PCM/ECM failure
Symptoms to Watch For
- Check Engine Light is illuminated
- Hard or harsh gear shifting
- Transmission stuck in one gear
- Transmission slipping between gears
- Delayed gear engagement
- Transmission hunting or cycling between gears