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DTC C1582: Assist Map Number Mismatch; DTC C1583: Assist Map Selection Error [06/2016 - ]: Description

If an incorrect power steering ECU assembly or combination meter assembly is installed, DTC C1582 and C1583 is stored as the vehicle specification and data do not match.

HINT: 

The assist map is data written in the power steering ECU assembly to control the degree of assistance.

The assist map is selected based on the vehicle's specified communication data.

DTC Code DTC Detection Condition Trouble Area
C1582 Data that does not match the vehicle specification is received through CAN communication.
  • CAN communication system
  • Combination meter assembly (wrong assembly)
  • Power steering ECU assembly
C1583 Correct information cannot be received.
  • CAN communication system
  • Combination meter assembly (wrong assembly)
  • Power steering ECU assembly