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Home › Infiniti › 2004 › M45 › Repair and Diagnosis › Engine Performance › Engine Control System › DTC P1780: Shift Change Signal › Diagnostic Procedure › 1. Check DTC With TCM

1. Check DTC With TCM

Check DTC with TCM. Refer to TROUBLE DIAGNOSIS .

OK or NG 

  1. OK: GO TO 2.
  2. NG: Perform trouble shooting relevant to DTC indicated.
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