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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 261 (Steering Control System (With 4WAS)) >> DTC/Circuit Diagnosis >> DTC C1900, C1901, C1906, C1907, C1927, C1933: 4WAS Main Control Unit >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC Display Item Malfunction detected condition Possible cause
C1900 CONTROL UNIT
[ABNORMAL1]		 An error is detected inside 4WAS main control unit. 4WAS main control unit error
C1901 CONTROL UNIT
[ABNORMAL2]		 An error is detected inside 4WAS main control unit. 4WAS main control unit error
C1906 CONTROL UNIT
[ABNORMAL5]		 An error is detected inside 4WAS main control unit. 4WAS main control unit error
C1907 CONTROL UNIT
[ABNORMAL4]		 An error is detected inside 4WAS main control unit. 4WAS main control unit error
C1927 CONTROL UNIT
[ABNORMAL5]		 An error is detected inside 4WAS main control unit. 4WAS main control unit error
C1933 CONTROL UNIT An error is detected inside 4WAS main control unit. 4WAS main control unit error
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