LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2011 >> Impala LS, 3.9 M >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 4T65-E - Symptom Troubleshooting & Diagnosis) >> High or Low Upshift or Downshift Speed

High or Low Upshift or Downshift Speed

WARNING: This page is about a different variant/trim than selected.
Checks Cause
DEFINITION: An upshift or a downshift, or TCC apply, that occurs at a speed outside of the calibrated range. Refer to Shift Speed .
ECM/PCM Calibration Information Incorrect calibration in the ECM/PCM.
Throttle Position (TP) Sensor Misadjusted or faulty TP sensor.