Model 3/Y: inverter failures on '980' motors

Early 980 rear motors had inverter failures. Symptoms and repair guidelines.

Drivetrain · RWD, AWD, AWD Performance

Updated · 2025-09-16

Signs

Inverter / oil pump errors, power drop or rear drive shutdown.
Often on early 2018–2019 builds.

Solution

Replace/repair the inverter, check cooling.
Reflash/initialize per the Toolbox procedure (see manual).

Belarus budget

≈ $1 000–2 000 for inverter repair / related work (without replacing the entire DU).

Sources

reddit.com
https://www.reddit.com/r/TeslaModel3/comments/xagxf7/inverter_went_out_on_my_2018_model_3_lr_with_980/
openinverter.org
https://openinverter.org/forum/viewtopic.php?t=1925

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