DTC C1AC1: Master Module Horizontal Axis Misalignment [08/2016 - ]: Description

This DTC is stored when the angle of the blind spot monitor sensor LH deviates more than the allowable range from the horizontal axis.

HINT: 

• If a drum tester such as a speedometer tester, brake/speedometer combination tester or chassis dynamometer is used with the blind spot monitor main switch (steering pad switch assembly [multi-function switch]) on, the blind spot monitor sensor may store this DTC by mistake.
• When mud, snow, ice, a sticker, etc. is covering the sensor or its surrounding area on the rear bumper, the blind spot monitor sensor may store this DTC by mistake.