The Lemon IndexC0020 is a chassis code from the standard list, but carmakers often use these codes their own way, 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 C0020 in 274 complaints to the U.S. government, most often on the Ram pickup.
Models that report it most
Complaints that name C0020, 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.
C0020 by model: C0020 Ram pickup (269)
Years owners report it on most: 2018 Ram pickup · 2017 Ram pickup · 2010 Mazda3 · 2015 Ram pickup
The details
What C0020 means
C0020 is in the standard chassis code range, but carmakers often define chassis codes their own way, 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: Ram (269), Mazda (4), Ford (1).
What owners describe
- Brakes or ABS act up: 99% of complaints
- Warning lights and electrical faults: 47% of complaints
- Stalls or shuts off: 1% of complaints
- Transmission slips or shifts hard: 1% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report C0020 most
2018 Ram pickup (213), 2017 Ram pickup (51), 2010 Mazda3 (4), 2015 Ram pickup (2).
Counts: NHTSA owner complaints whose text names C0020. 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.