Fault Family System: Chassis (C-Codes) 15 SAE Codes

Steering Angle Sensor Circuit

Diagnostic & Technical Explanation

Code C0051 (Steering Wheel Position Sensor) sets when the stability control module loses a valid steering wheel angle signal, detects the sensor is mechanically out of calibration, or the reported angle does not correlate with the yaw rate sensor during a turn. This sensor is a clockspring-mounted module that tells ESC, lane-keeping, and power steering assist which way the driver is turning the wheel, so most faults trace to a steering-column connector fault, a sensor that lost its calibration after a battery disconnect or alignment, or a failed sensor element inside the clockspring assembly. A miscalibrated sensor commonly follows any steering, suspension, or alignment work that was not followed by the required relearn procedure.

These 15 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 15 times.

Codes in this family (15)

Code	Definition	Repair coverage
C0051	Steering Wheel Position Sensor	4 ranked fixes
C0052	Steering Wheel Position Sensor Signal A	4 ranked fixes
C0053	Steering Wheel Position Sensor Signal B	4 ranked fixes
C0054	Steering Wheel Position Sensor Signal C	4 ranked fixes
C0055	Steering Wheel Position Sensor Signal D	4 ranked fixes
C0526	Steering Angle Sensor Module	4 ranked fixes
C0527	Steering Angle Sensor Module Mechanical	4 ranked fixes
C0528	Steering Angle Sensor Module Range/Performance	4 ranked fixes
C0529	Steering Angle Sensor Module Missing Calibration	4 ranked fixes
C052A	Steering Angle Sensor Module Correlation	4 ranked fixes
C05B2	Steering Wheel Angle Sensor Signal - Yaw Rate Sensor Signal Correlation	4 ranked fixes
C0605	Steering Wheel Angle Sensor Circuit/Open	4 ranked fixes
C0606	Steering Wheel Angle Sensor Circuit Low	4 ranked fixes
C0607	Steering Wheel Angle Sensor Circuit High	4 ranked fixes
C0608	Steering Wheel Angle Sensor Circuit Performance	4 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:

Procedures 2..n after the first-listed procedure
Aftermarket parts cost ranges in USD (est_parts_cost_min/max_usd)
Professional labor-hour estimates (est_labor_hours)
Step-by-step diagnostic and repair instructions
Replacement-part mappings and catalog lookups
6,637 manufacturer-specific OEM codes across 32 makes ($149 tier)

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