OBD2 Car ScannerWhat does C1955 mean?
C1955 stands for Steering Angle Sensor Circuit Open. 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 C1955 mean?
C1955 means “Steering Angle Sensor Circuit Open”. 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 C1955?
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 C1955?
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
- C1951Lateral Accelerometer Sensor Circuit Open
- C1952Yaw Rate Sensor Circuit Open
- C1953Master Cylinder Pressure Sensor Circuit Open
- C1954Master Cylinder Pressure Sensor Circuit Failure
- C1956Steering Angle Sensor Circuit Failure
- C1957Dynamic Stability Control Valve RF Circuit Failure
- C1958Dynamic Stability Control Valve LF Circuit Failure
- C1959Lateral Accelerometer Sensor Circuit Failure
Code meanings can vary by manufacturer. This page is general guidance, not a repair manual. Always confirm the cause before replacing parts.