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Home >> Nissan-Datsun >> 2013 >> Altima Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 31 (Security Control System (Coupe)) >> DTC/Circuit Diagnosis >> DTC B2603: Shift Position >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • If DTC B2603 is displayed with DTC B2601, first perform the trouble diagnosis for DTC B2601. Refer to "DTC LOGIC ".
DTC No. Trouble diagnosis name DTC detecting condition Possible causes
B2603 SHIFT POSI STATUS BCM detects the following status when ignition switch is in the ON position.
  • P (Park) position signal from transmission range switch: approx. 0 V
  • CVT shift selector park position switch signal: approx. 12 V
  • Harness or connectors (CVT shift selector park position switch circuit is open or shorted)
  • Harness or connectors (Transmission range switch circuit is open or shorted)
  • CVT shift selector
  • Transmission range switch
  • BCM