DTC C1581: Assist Map Number Un-Writing [10/2015 - 11/2017]: Description

This DTC will be stored if the power steering ECU assembly determines that the assist map is not written in the ECU.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Note
C1581	Assist Map Number Un-Writing	Assist map not written in power steering ECU assembly	CAN communication system ECM DRS ECU (Rear steering control ECU) (w/ Dynamic Rear Steering System) AVS ECU (Absorber control ECU) (w/ Adaptive Variable Suspension System) VGRS ECU (Front steering control ECU) (w/ Variable Gear Ratio Steering System) Power steering ECU assembly	EPS warning light: Comes on	-