| Bulletin Number | Vehicle Make | Vehicle Model | Model Year | Summary |
|---|---|---|---|---|
| 677153A | GMC | G SERIES | 1996 | NO UPSHIFT/2ND GEAR ONLY AFTER COLD START-INTERMITTENT DTC 87 - HIGH RATIO ERROR (REPLACE EPROM). *TW<br /> |
| 9774L80E03 | GMC | G SERIES | 1996 | UNDESIRED TRANSMISSION DOWNSHIFTING BETWEEN THIRD AND SECOND GEAR WHEN MANUALLY SHIFTED TO FIRST GEAR (D1) (NEW CALIBRATION). *TW<br /> |
| 677159 | GMC | G SERIES | 1996 | CLUNK NOISE ON ACCELERATION AFTER A CLOSED THROTTLE COAST DOWN (NEW TCC CALIBRATION). *TW<br /> |
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