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Home >> Nissan-Datsun >> 2012 >> Altima SL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Security Control System (Coupe)) >> DTC/Circuit Diagnosis >> DTC B2603: Shift Position Status >> 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 U1000, first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
  • If DTC B2603 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "DTC LOGIC ".
DTC Self-diagnosis name DTC detecting condition Possible causes
B2603 SHIFT POSITION STATUS BCM detects the followings status for 500 ms or more when shift is in P position and, ignition switch is in ON position.
  • Transmission range switch: approx. 0V
  • CVT shift selector (park position switch): approx 0V
  • Harness or connector (CVT shift selector circuit is open or shorted.)
  • Harness or connectors [Transmission range switch circuit is open or shorted.]
  • CVT shift selector (park position switch)
  • Transmission range switch