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DTC Detection Logic

NOTE:
  • If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to "BCM: DTC LOGIC ".
  • If DTC B2603 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to "BCM: DTC LOGIC ".
  • 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 for 500 ms or more when shift is in the P position, and ignition switch is in the ON position.
  • Transmission range switch: approx. 0 V
  • A/T shift selector (detention switch): approx. 0 V
  • Harness or connector

    (A/T shift selector circuit is open or shorted)

  • Harness or connectors

    (TCM circuit is open or shorted)

  • A/T shift selector (detention switch)
  • TCM