Code PMF_a045 was reported by the “Pedal monitor — front drive” controller in the car. The letter “a” in the middle places it among entries of the alert type.
Had code PMF_a045 as well? Tell others how it turned out for you →
Pedal and torque supervision for the front drive unit. The codes mean the same as the PM group.
The most common type. The car logged the event and may have shown it on the screen. The range is wide — from something trivial that clears itself to something that needs attention.
This is how the fault is named inside the car's firmware. For codes without a description it is the most precise clue there is — the name itself says what the event is about.
The text below comes from Tesla's technical documentation. We leave it in the original English so that translation cannot shift its meaning.
Pedal Monitor Warning: Motor movement detected during stationary excess heat
The safety monitor sets this condition when rotor movement is detected during stationary excess heat production.
Pedal Monitor Warning: Switch-off Path Test Failed.
This condition is set when the power electronics and DI-PM switch-off path test fails, most likely due to damaged inverter hardware.
Pedal Monitor Warning: Resolver operation abnormal.
The safety monitor sets this condition when resolver speed or angle measurements in correspondence with DI are considered irrational or out of bounds.
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Copy it exactly, letter and number included. Photographing the screen is safest — codes often differ by a single digit, and mixing them up leads somewhere else entirely.
Some codes clear after a screen restart or after the car sits locked for a few hours. If the code does not come back, it was usually a one-off glitch.
A one-off entry and a code that appears after every drive are two different things. It helps a service centre enormously if you know exactly when it shows up.
With airbags, brakes, steering and high voltage there is no point waiting it out. With the other groups you can watch and see whether the code returns at all.
Error codes are only part of the picture. For cars on TesList you also see battery health pulled straight from the vehicle, plus a price calculator that works out from current listings what a given car is actually worth today.