GMCSierra 15001999
  1. GMC Sierra 1500
  2. Problems
  3. 1999
  4. Automatic Transmission

1999 GMC Sierra 1500 Automatic Transmission Problems

1
Owner complaint records in our dataset

Records are owner complaints, not a measured failure rate.

Owner complaint recordsComplaint records reflect reports in our dataset and do not measure how frequently the problem occurs across all vehicles.

Mileage in stored records

BandRecords
30–60k mi1

Complaint records

Owner-submitted complaint content, presented as stored.

  • January 1, 2002 · 60,000 miles

    Automatic Transmission · Mechanical

    After the warranty ran out and at about 60,000 miles the transmission started shifting hard from first to second gear. The check engine light started coming on intermittently. When the engine code was checked it was the 1870 transmission slippage code. After checking online there were hundreds of other customers with the same problem. I took it to the dealer after the condition worsened and the dealer recommended…

    ODI 10176237