Shift Indicator Indicates Wrong Gear Selection

Automatic Transmission - 10L80 MHS MQC | Diagnostic Information and Procedures | Document ID: 3814954

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 shift cable adjustment.
Manual Shaft	Verify shift lever is properly attached to the manual shaft. Verify manual shaft is not twisted or damaged.
Manual Shift Detent Lever with Shaft Position Switch Assembly, IMS	Verify proper operation.