The throttle position signal is too low.
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
Failed sensor. Then: shorted or open wiring.
Owners named P0122 in 16 complaints to the U.S. government, most often on the Honda CR-V.
Cars owners report it on
Complaints that name P0122, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2012 Ford Transit Connect
The details
What P0122 means
The throttle position signal is too low.
Can I drive with P0122?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
25% of the owner complaints that name P0122 also say the car brakes or ABS act up. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0122
- Failed sensor
- Shorted or open wiring
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Brakes or ABS act up: 25% of complaints
- Stalls or shuts off: 25% of complaints
- Loses power or goes into limp mode: 25% of complaints
- Warning lights and electrical faults: 19% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0122 most
Related codes
P0121 P0123 P0120 P0126 P0128 P0117 P0113 P0131
Quick answers
What does P0122 mean?
Throttle/Pedal Position Sensor A Circuit Low. The throttle position signal is too low.
Can I drive with P0122?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
What causes P0122?
Failed sensor; Shorted or open wiring.
Counts: NHTSA owner complaints whose text names P0122. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.

