DTC C1581: Assist Map Number Un-Writing [06/2018 - 08/2020]: Description

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This DTC will be stored if the power steering ECU (rack and pinion power steering gear assembly) determines that the assist map is not written in the ECU.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Return-to-normal Condition	Note
C1581	Assist Map Number Un-Writing	Assist map not written in power steering ECU (rack and pinion power steering gear assembly)	CAN communication system ECM Skid control ECU (Brake actuator assembly) AVS ECU (Absorber control ECU) (w/ Adaptive Variable Suspension System) Rack and pinion power steering gear assembly	EPS warning light: Comes on	Assist Map Writing is performed	-