April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If DTC B2602 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC LOGIC .
If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC LOGIC .

DTC DETECTION LOGIC TABLE

DTC No.	Trouble diagnosis name	DTC detecting condition	Possible cause
B2602	SHIFT POSITION	BCM detects the following status for 10 seconds. Shift position is in P position Vehicle speed is 4 km/h (2.5 MPH) or more Ignition switch is in the ON position	Harness or connectors (Control device circuit is open or shorted) Control device (detention switch) ABS actuator and electric unit (control unit)