C1551

Diagnostic trouble codes

DESCRIPTION

If the power steering ECU assembly determines that there is a malfunction in the IG circuit inside the ECU, it outputs this DTC. This DTC is not output when there is an open circuit in the wire harness connected to terminal IG or a battery voltage drop.

DTC No.	DTC Detection Condition	Trouble Area
C1551	IG power source circuit malfunction inside ECU	Power steering ECU assembly

INSPECTION PROCEDURE

1. REPLACE POWER STEERING ECU ASSEMBLY

Replace the power steering ECU assembly (Click here).

NOTICE:
: If replacing the power steering ECU assembly, initialize the rotation angle sensor value and calibrate the torque sensor zero point (Click here).

END