OBD2 Car ScannerWhat does C1254 mean?
C1254 stands for ABS Inlet Valve Coil RR Circuit Failure. A chassis module has found a fault in a system like ABS, traction or stability control, steering or suspension.
Chassis codes cover the ABS, traction control, steering and suspension. When the car's computer sees a reading outside its normal range, it stores this code and may turn on a warning light on the dashboard.
Common causes
- Faulty or dirty wheel speed sensor
- Damaged sensor wiring
- Low brake fluid
- Faulty ABS pump or module
What to do
- Read all stored and pending codes with a scanner. Several codes together often point to one cause.
- Note the freeze frame data (speed, temperature, load) recorded when the code was set.
- Inspect the wiring and connectors of the part named in the code for damage, corrosion or looseness.
- Fix the most likely and cheapest cause first, then clear the code and drive to see if it comes back.
Read this code from your own car
Plug in a cheap ELM327 adapter and the app shows every fault code, what it means and how to fix it.
Frequently asked questions
What does C1254 mean?
C1254 means “ABS Inlet Valve Coil RR Circuit Failure”. It belongs to the chassis system group: A chassis module has found a fault in a system like ABS, traction or stability control, steering or suspension.
Is it safe to drive with C1254?
Avoid driving long distances. This kind of fault can cause damage or affect safety, so get it checked as soon as possible.
How do I clear C1254?
Fix the cause, then clear the code with an OBD2 scanner or app. If the fault is still there, the code will come back.
Related codes
- C1250ABS Inlet Valve Coil LR Circuit Failure
- C1251ABS Inlet Valve Coil LR Circuit Open
- C1252ABS Inlet Valve Coil LR Circuit Short To Battery
- C1253ABS Inlet Valve Coil LR Circuit Short To Ground
- C1255ABS Inlet Valve Coil RR Circuit Open
- C1256ABS Inlet Valve Coil RR Circuit Short To Battery
- C1257ABS Inlet Valve Coil RR Circuit Short To Ground
- C1258Speed Wheel LF Comparison Failure
Code meanings can vary by manufacturer. This page is general guidance, not a repair manual. Always confirm the cause before replacing parts.