Harsh shifting, delayed upshifts with possible check trans lamp illuminated, possible diagnostic trouble...
Isuzu technical service bulletin 020730025B for 1999-2003 Isuzu NPR, 1999-2003 Chevrolet W-Series and 1999-2003 Isuzu NQR and others.
- Bulletin number
- 020730025B
- Component
- Power train: automatic transmission
- Summary
- Harsh shifting, delayed upshifts with possible check trans lamp illuminated, possible diagnostic trouble code (dtc) 21 set. To include 2004 models. Tt
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