The Lemon IndexC1223 is a manufacturer-specific code, so its exact meaning depends on the make.
Depends on what it means on your make. Get it read before a long drive.
Have a shop read it with the maker's own scan tool first.
Owners named C1223 in 29 complaints to the U.S. government, most often on the Toyota Sequoia.
Models that report it most
Complaints that name C1223, by model. Raw counts, not a failure rate: popular models get more complaints. Tap a model for its years, mileage and what owners say fixed it.
C1223 by model: C1223 Toyota Sequoia (19)
Years owners report it on most: 2003 Toyota Sequoia · 2004 Toyota Sequoia · 2005 Toyota Sequoia · 2002 Chevrolet Impala · 2006 Toyota Sequoia · 2004 Toyota 4Runner
The details
What C1223 means
C1223 is a manufacturer-specific code: each carmaker decides what it means, so the same code can point to different problems on different brands. We haven't verified its meaning yet. A dealer or a scanner with the maker's software can tell you exactly what it means on your car.
Owners who reported it drive: Toyota (26), Chevrolet (2), Ram (1).
What owners describe
- Brakes or ABS act up: 97% of complaints
- Warning lights and electrical faults: 14% of complaints
- Transmission slips or shifts hard: 7% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report C1223 most
2003 Toyota Sequoia (10), 2004 Toyota Sequoia (4), 2005 Toyota Sequoia (3), 2002 Chevrolet Impala (2), 2006 Toyota Sequoia (2), 2004 Toyota 4Runner (2).
Related codes
C1214 C1210 C1241 C1242 C1246 C1247 C1250 C1252
Counts: NHTSA owner complaints whose text names C1223. 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.