Code Definition

C1B00 (2F-8B) — Steering Angle Sensor Signal Invalid / Not Calibrated

System: Chassis  |  Type: Manufacturer-Specific  |  Make: Ford

About C1B00

C1B00 is a manufacturer-specific chassis diagnostic trouble code recorded for Ford vehicles. It belongs to the C-prefix family of codes, which covers chassis, braking, steering, suspension, or stability-control faults.

When C1B00 is stored, the module has detected a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: Chassis (C) codes are stored in the ABS, traction control, or stability-control modules. An enhanced or OEM-level scan tool is usually required to read and clear them.

C1B00 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The ABS or PSCM monitors the steering angle sensor (SAS) to determine steering wheel position, rate, and direction for stability control and steering assistance functions. DTC C1B00 is set when the module detects a steering angle signal that is implausible, out of the expected range, or not correctly initialised relative to the straight ahead position. This condition is commonly identified during vehicle movement when the reported steering angle does not correlate with yaw rate, wheel speed data, or stored calibration values. When set, stability control and related steering assistance may be r...

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