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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1780: Shift Change Signal >> Diagnostic Procedure >> 2. Check TCM Function

2. Check TCM Function

Refer to TROUBLE DIAGNOSIS .

OK or NG 

  1. OK: GO TO 3.
  2. NG: Replace TCM. Refer to PRECAUTIONS .
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