Why does my car go into limp mode?

When TPS A and TPS B disagree, the ECM cannot trust throttle position, so it limits power to prevent unintended acceleration.

If the throttle body needs replacement, expect $100-$250 DIY. Some vehicles allow TPS-only replacement for less.

P0222

High Severity

Fuel System

TPS B voltage is too low.

Common Fix

Replace throttle body

Estimated Cost (DIY)

$100 - $250

Failed TPS Blikely

Short to ground in wiringpossible

Need to read or clear this code?

Why does my car go into limp mode?: When TPS A and TPS B disagree, the ECM cannot trust throttle position, so it limits power to prevent unintended acceleration.
Is P0222 expensive?: If the throttle body needs replacement, expect $100-$250 DIY. Some vehicles allow TPS-only replacement for less.

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