The Lemon IndexThe computer saw airflow creeping higher than expected.
Stop and fix now. Don't put it off. This can affect safety, stall the car or cause expensive damage.
Throttle body fault. Then: vacuum leak.
Owners named P2173 in 10 complaints to the U.S. government, most often on the Jeep Compass.
Cars owners report it on
Complaints that name P2173, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2013 Dodge Avenger · 2016 Jeep Patriot
The details
What P2173 means
The computer saw airflow creeping higher than expected.
Can I drive with P2173?
Stop and fix now. Don't put it off. This can affect safety, stall the car or cause expensive damage.
50% of the owner complaints that name P2173 also say the car loses power or goes into limp mode. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P2173
- Throttle body fault
- Vacuum leak
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Loses power or goes into limp mode: 50% of complaints
- Stalls or shuts off: 50% of complaints
- Warning lights and electrical faults: 30% of complaints
- Brakes or ABS act up: 20% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P2173 most
2013 Dodge Avenger (2), 2016 Jeep Patriot (2).
Related codes
P2172 P2176 P2181 P2191 P2195 P2196 P2198 P219A
Quick answers
What does P2173 mean?
Throttle Actuator Control System - High Airflow Detected (Slow). The computer saw airflow creeping higher than expected.
Can I drive with P2173?
Stop and fix now. Don't put it off. This can affect safety, stall the car or cause expensive damage.
What causes P2173?
Throttle body fault; Vacuum leak.
Counts: NHTSA owner complaints whose text names P2173. 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.