Transmission will not shift into neutral, reverse or park

Good afternoon. This sounds like the shifter cable has frozen inside it casing. It would need to be replaced.

Roy

Range Selector Lever Cable Replacement

Removal Procedure

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1. Position the steering column shift lever to the park position.
2. Remove the instrument panel knee bolster. Refer to Knee Bolster Replacement (Cadillac) (See: Dashboard / Instrument Panel > Removal and Replacement > Knee Bolster Replacement (Cadillac))Knee Bolster Replacement (Except Cadillac) (See: Dashboard / Instrument Panel > Removal and Replacement > Knee Bolster Replacement (Except Cadillac)).
3. Remove the driver seat. Refer to Front Seat Replacement - Bucket (with HP2) ()Front Seat Replacement - Bucket (without HP2) ().
4. Remove the body hinge pillar trim panel. Refer to Body Hinge Pillar Trim Panel Replacement (See: Trim Panel > Removal and Replacement > Body Hinge Pillar Trim Panel Replacement).
5. Pull back the carpet and insulation around the driver area.
6. Remove the retainer securing the cable to the steering column.

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7. Remove the cable end from the steering column ball stud.
8. Depress the tangs and remove the cable from the steering column bracket.

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Note: Avoid unnecessary twisting/bending of the range selector cable when removing the cable from the support.

9. Remove the range selector cable from the support.

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10. Remove the cable grommet from the floor panel.
11. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Vehicle Lifting > Procedures > Lifting and Jacking the Vehicle).

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12. Remove the clips on the cable from the floor panel reinforcement.

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13. Remove the range selector lever cable heat shield bolts (1).
14. Remove the range selector lever cable heat shield (2).
15. Ensure the transmission manual shaft lever is positioned in mechanical park.

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16. Disconnect the range selector lever cable (2) from the range select lever.
17. Remove the range selector lever cable retainer (1).
18. Remove the range selector lever cable (2) from the cable bracket.