C1015: owner reports and bulletins

Chassis. We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got C1015 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.

What owners report to NHTSA

No consumer complaints filed with NHTSA mention C1015. That usually means it's rare, or owners don't quote the code when they file.

Manufacturer service bulletins that name C1015

2 technical service bulletins and manufacturer communications filed with NHTSA mention C1015, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • APRILIA TUONO 1100 E5 (2022, 2023), bulletin 10246466: Troubleshooting ABS system pump malfunction and ABS control unit error C1015 Dear Dealer / Service Centre / Authorised Workshop, In the framework of the continuous and strict quality sampling plans of the components inst…
  • FIAT 500 (2015, 2016), bulletin 10160051: Tire Pressure Monitor C1012-88 C1015-88 This bulletin involves performing a wiTECH Misc-Function routine, for proper operation of the Tire Pressure Monitor (TPM) feature. The customer may notice that the TPM lamp is illu…

Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.