The Lemon IndexThe computer hasn't learned the throttle's closed position, often after battery work or cleaning.
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
Needs an idle relearn. Then: dirty throttle body.
Owners named P2176 in 9 complaints to the U.S. government, most often on the Chevrolet Impala.
Cars owners report it on
Complaints that name P2176, by model. Raw counts, not a failure rate: popular models get more complaints.
The details
What P2176 means
The computer hasn't learned the throttle's closed position, often after battery work or cleaning.
Can I drive with P2176?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
44% of the owner complaints that name P2176 also say the car stalls or shuts off. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P2176
- Needs an idle relearn
- Dirty throttle body
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 44% of complaints
- Warning lights and electrical faults: 33% of complaints
- Loses power or goes into limp mode: 22% of complaints
- Shakes, runs rough or misfires: 22% of complaints
Share of complaints naming the code whose text also mentions each problem.
Related codes
P2173 P2172 P2181 P2191 P2195 P2196 P2198 P219A
Quick answers
What does P2176 mean?
Throttle Actuator Control System - Idle Position Not Learned. The computer hasn't learned the throttle's closed position, often after battery work or cleaning.
Can I drive with P2176?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
What causes P2176?
Needs an idle relearn; Dirty throttle body.
Counts: NHTSA owner complaints whose text names P2176. 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.