Fault Family System: Chassis (C-Codes) 21 SAE Codes

Vehicle Dynamics Sensor Circuit

Diagnostic & Technical Explanation

Code C0061 (Lateral Acceleration Sensor) sets when the stability control module cannot get a valid or correlated reading from one or more of the inertial measurement sensors that report the vehicle's yaw rate, lateral acceleration, longitudinal acceleration, roll rate, or vertical acceleration -- the circuit is open, missing calibration, intermittent, or one axis disagrees with a related channel. These sensors are typically packaged together in a single multi-axis module mounted near the vehicle's center of gravity, so a connector or mounting fault at that module tends to affect several axes at once. Physical causes include a loose or corroded module connector, a module knocked out of alignment by an impact, or an internal MEMS sensor failure.

These 21 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 21 times.

Codes in this family (21)

Code	Definition	Repair coverage
C0061	Lateral Acceleration Sensor	4 ranked fixes
C0062	Longitudinal Acceleration Sensor	4 ranked fixes
C0063	Yaw Rate Sensor	4 ranked fixes
C0064	Roll Rate Sensor	4 ranked fixes
C0065	Vertical Acceleration Sensor	4 ranked fixes
C0069	Yaw Rate/Longitude Sensors	4 ranked fixes
C006A	Multi-axis Acceleration Sensor	4 ranked fixes
C051C	Multi-axis Acceleration Sensor Module A Range/Performance	4 ranked fixes
C051D	Multi-axis Acceleration Sensor Module A Missing Calibration	4 ranked fixes
C051E	Multi-axis Acceleration Sensor Module A Intermittent/Erratic	4 ranked fixes
C051F	Multi-axis Acceleration Sensor Module A Correlation	4 ranked fixes
C0520	Multi-axis Acceleration Sensor Module A	4 ranked fixes
C0521	Multi-axis Acceleration Sensor Module B Range/Performance	4 ranked fixes
C0522	Multi-axis Acceleration Sensor Module B Missing Calibration	4 ranked fixes
C0523	Multi-axis Acceleration Sensor Module B Intermittent/Erratic	4 ranked fixes
C0524	Multi-axis Acceleration Sensor Module B Correlation	4 ranked fixes
C0525	Multi-axis Acceleration Sensor Module B	4 ranked fixes
C0551	Longitudinal Acceleration Sensor Circuit/Open	4 ranked fixes
C0552	Longitudinal Acceleration Sensor Range/Performance	4 ranked fixes
C0553	Longitudinal Acceleration Sensor Circuit Low	4 ranked fixes
C0554	Longitudinal Acceleration Sensor Circuit High	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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