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Home >> GMC >> 2021 >> Terrain SLE, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Shift Indicator Indicates Wrong Gear Selection

Shift Indicator Indicates Wrong Gear Selection

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Checks Causes
Shift Cable
  • Inspect for damage.
  • Verify proper attachment to shifter.
  • Verify cable is locked into shifter bracket.
  • Verify cable is properly attached to the transmission.
  • Verify that the cable is locked into the transmission bracket.
  • Verify proper cable adjustment.

    Range Selector Lever Cable Adjustment
Manual Shift Detent Lever Shaft (705)
  • Verify shift lever is properly attached to the manual shaft.
  • Verify manual shaft is not twisted or damaged.
Manual Shift Detent Lever (709) Verify proper operation. Transmission Range Sensor Duty Cycles
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