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TESLA·FAQBY
MajorModel 3Model Y#HVAC#PTC1000-1200 USD

Model 3/Y pre-refresh: cabin PTC heater failure

≈ 1 min read
9 source(s)
Drivetrain · RWD, AWD
Updated · May 4, 2026

How to extend service life

  • Replace the cabin filter on time.
  • Avoid extended HVAC operation "at maximum".

Cost in Belarus

≈ $1 000–1 200 for a new heater and labor. Used parts are not recommended due to the mass-market defect.

Sources

  • tff-forum.dein German
    https://tff-forum.de/t/tesla-model-3-fehler-ptc-heater/379127
  • tff-forum.dein German
    https://tff-forum.de/t/ptc-heater-faellt-bei-schneller-fahrt-immer-wieder-aus/366274
  • https://t.me/teslacar_chat/601269
  • https://t.me/teslacar_chat/373032
  • https://t.me/teslacar_chat/454942
  • https://t.me/teslacar_chat/454949
  • https://t.me/teslacar_chat/708414
  • https://t.me/teslacar_chat/494879
  • https://t.me/teslacar_chat/76565