DTC Detection Logic
WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
"DTC LOGIC ".
- If DTC B2604 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
"DTC LOGIC ".
DTC DETECTION LOGIC CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| B2604 |
PNP SWITCH |
BCM detects the following status for 500 ms or more when the ignition switch is in the ON position.
- P/N switch indicates vehicle is in P or N shift position. Signal from TCM indicates vehicle is in forward or reverse gear.
- P/N switch indicates vehicle is in forward or reverse gear. Signal from TCM indicates vehicle is in P or N.
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