Illustrative — approximate locations of the most-reported issues for this model year.
What changed
Production/availability improves; refinements to the 2021 refresh.
Known failures, repairs & fixes (10 documented)
Heat pump / Octovalve — no heat in extreme cold Service
Symptoms: Cabin blows cold in deep cold; a heat-pump pressure/temperature sensor misreads and the system stops heating. Affected many 2021–2022 cars.
Fix: OTA expansion-valve recalibration (Jan 2022); hardware fix replaces the Hi/Lo PT sensors (P/N 1510047-00-B, 1510048-00-B) and reseals the supermanifold. Workaround: precondition 30–60 min, use Auto + recirculate.
Symptoms: Car won't wake, random electrical faults, dead doors/screen; can strand you. Lead-acid units often fail at 3–4 years (sometimes without warning).
Fix: Replace the 12V battery (~$100–125, ~30 min). Cluster/app usually warns first; act promptly. Newer Li-ion 12V lasts longer.
Symptoms: Sudden braking/deceleration on Autopilot, TACC or FSD for shadows, overpasses, oncoming cars — or nothing. Worse after the radar→vision switch; tied to stale map data and false vision reads.
Fix: Keep software current (OTA refinements have helped a lot since 2022), keep cameras clean, lower set speed on poorly-marked roads. No single version eliminates it.
Symptoms: Port door won't open or the cable won't release; or it won't latch shut. Worse in freezing weather; a faint motor with no movement = actuator.
Fix: App → Charging → Open Charge Port, or press the door when unlocked. Manual release lever behind the left trunk-trim flap. A small adjuster screw on the assembly sets open/close travel; clean ice/debris. Replace actuator if failed.
Symptoms: A-pillar trim rattle (the most-reported), plus center console, door panels, dash and rear-seat squeaks. Clips loosen with temperature swings.
Fix: Felt/foam tape at the contact point fixes most cases for under $10; replace A-pillar clips (P/N 1017648-00-A). Note: the A-pillar trim contains an airbag — careful on removal. Factory rattles are covered 4yr/50k.
Symptoms: Rising hum/whine with speed (rear-drive-unit bearing wear, ~30k–80k mi); clunk shifting D↔R or on hard launch (worn CV/axle splines, or warped half-shafts on Performance).
Fix: Early fluid-related whine can ease with a drive-unit fluid change; worn bearings/gears need DU repair/replacement. Half-shaft vibration fixed with updated shafts (aftermarket ~$500–600/side).
Symptoms: Thin, sometimes soft clear coat; rock chips appear on rockers (ahead of the rear wheels) within weeks, especially on black cars.
Fix: PPF the rockers and front end (PPF is ~4× the clear-coat thickness); add mud flaps. Touch-up + PPF for existing chips. Document defects at delivery — Tesla often deems chips 'customer responsibility'.
Air suspension leak / sagging / compressor Service
Symptoms: Car sags overnight on one corner, compressor runs/noisy, or 'Air Compressor Disabled' message. Leaks come from air struts, the solenoid block, or chafed lines under the frunk.
Fix: Diagnose with the overnight-tape or bubble-spray test. Replace the leaking strut or fix the line/solenoid; OEM repairs run ~$2,000–3,300, aftermarket air springs ~¼ the price.