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Home › Nissan-Datsun › 2003 › Sentra SE-R Spec V › Repair and Diagnosis › External Pages › Different car › Section 403 (Engine Control System) › DTC P1780: Shift Change Signal › Diagnostic Procedure › 2. Check TCM Function

2. Check TCM Function

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Refer to TROUBLE DIAGNOSIS .

OK or NG 

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