The Lemon IndexThe engine idles lower than it should and may stall.
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.
Dirty throttle body. Then: vacuum leak; failing IAC.
Owners named P0506 in 17 complaints to the U.S. government, most often on the Kia Sorento.
Cars owners report it on
Complaints that name P0506, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2014 Kia Sorento · 2017 GMC Yukon XL
The details
What P0506 means
The engine idles lower than it should and may stall.
Can I drive with P0506?
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.
65% of the owner complaints that name P0506 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 P0506
- Dirty throttle body
- Vacuum leak
- Failing IAC
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 65% of complaints
- Shakes, runs rough or misfires: 29% of complaints
- Warning lights and electrical faults: 24% of complaints
- Loses power or goes into limp mode: 24% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0506 most
2014 Kia Sorento (2), 2017 GMC Yukon XL (2).
Related codes
P0505 P0507 P0504 P050A P050B P0500 P050D P0513
Quick answers
What does P0506 mean?
Idle Air Control System RPM Lower Than Expected. The engine idles lower than it should and may stall.
Can I drive with P0506?
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 P0506?
Dirty throttle body; Vacuum leak; Failing IAC.
Counts: NHTSA owner complaints whose text names P0506. 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.