Throttle/Pedal Position Sensor B Circuit Low
Engine · Throttle Control
The secondary throttle position sensor (sensor B) is outputting a voltage below its minimum specification. Drive-by-wire systems use dual TPS for redundancy — a low B signal triggers limp mode.
- Failed throttle body assembly (dual TPS)Most common
- Wiring short to ground on TPS B signalCommon
- Damaged throttle body connectorCommon
Sponsored: MyOBDCode may earn compensation when you click partner links on this page.
Frequently asked questions about P0222
What does P0222 mean?
The secondary throttle position sensor (sensor B) is outputting a voltage below its minimum specification. Drive-by-wire systems use dual TPS for redundancy — a low B signal triggers limp mode.
Is P0222 serious?
Vehicle may enter limp mode with reduced power. Drive directly to a shop — do not drive on the highway.
How much does it cost to fix P0222?
Repair costs for P0222 range from $200 – $600 depending on the root cause and your vehicle.
Can I drive with P0222?
No — this code indicates a serious issue. Stop driving and have the vehicle inspected immediately.