On Board Diagnosis Logic
WARNING: This page is about a different car, the 2003 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.
- This is an OBD-II self-diagnostic item.
- Diagnostic trouble code A/T COMM LINE or U1000 with CONSULT-II and 12th judgment flicker without CONSULT-II is detected when TCM cannot communicate to other control unit.