C1AC2 2013 Toyota RAV4 Code - Slave Module Horizontal Axis Misalignment

C1AC2 indicates a "Slave Module Horizontal Axis Misalignment," suggesting an issue with the alignment or calibration of the slave module, typically part of the vehicle's advanced driver assistance system.

Symptoms may include malfunctioning lane-keeping assist, adaptive cruise control issues, or dashboard warning lights related to the vehicle's safety systems.

The code is often caused by an improperly installed or misaligned slave module, physical damage to the module, or calibration issues after repairs or system updates.

Yes, the car may still be drivable, but some safety features like lane-keeping assist or adaptive cruise control may not function properly.

The fix typically involves inspecting and realigning the slave module, followed by recalibrating it using a suitable diagnostic tool.

No, replacing the module may not be necessary. First, check for misalignment or calibration issues, as these are the most common causes.

Yes, resolving this code often requires a diagnostic scanner capable of accessing the Toyota-specific ADAS system and performing recalibration procedures.

Yes, a collision or impact can misalign the slave module, triggering the code.

Costs vary depending on whether the module needs simple realignment and recalibration or complete replacement, but diagnostic and calibration services typically range from $100 to $300.

Clearing the code without addressing the underlying problem will only temporarily remove it, and it is likely to return. Proper diagnosis and repair are recommended.