What is the transmission range sensor?

It tells the ECM which gear the shifter is in (P, R, N, D, etc.) for proper shift logic and starter engagement.

Can a bad range sensor prevent starting?

Yes — the car may not recognize it is in Park or Neutral, preventing the starter from engaging.

Medium Severity

Transmission System

The transmission range sensor (gear selector position) has a fault.

Common Fix

Replace or adjust range sensor

Estimated Cost (DIY)

$30 - $100

Faulty range sensorlikely

Misadjusted sensorpossible

Wiring issuepossible

Need to read or clear this code?

What is the transmission range sensor?: It tells the ECM which gear the shifter is in (P, R, N, D, etc.) for proper shift logic and starter engagement.
Can a bad range sensor prevent starting?: Yes — the car may not recognize it is in Park or Neutral, preventing the starter from engaging.

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