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2000 CADILLAC DTS

4.6L V8 NorthstarFWDAUTOMATICgas
Repairs0Labor593Torque2360Fluid6DTC721Battery0Maintenance0Recalls0
P2112critical severityPowertrain

Throttle Actuator Control System Stuck Closed

on 2000 Cadillac DTS 4.6L V8 Northstar · FWD

What this code means

The electronic throttle blade is stuck closed or not opening when commanded.

Symptoms

  • No acceleration
  • Engine stalls
  • Check engine light
  • Vehicle won't move

Common causes

  • Seized throttle plate
  • Motor failure
  • Severe carbon buildup
  • Ice/frost binding

Diagnostic steps

  1. Inspect throttle blade movement
  2. Clean throttle body
  3. Check motor operation

Repair notes

Clean or replace throttle body assembly.

Other Powertrain codes on this vehicle

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