Back to 2010 Cadillac Escalade
Help
2010 CADILLAC ESCALADE
6.2L V8•4WD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor1048Torque7047Fluid16DTC1882Battery2Maintenance0Recalls3
P1517high severityPowertrain

Throttle Actuator Control Module Performance

on 2010 Cadillac Escalade 6.2L V8 · 4WD

What this code means

The PCM detected a general performance failure of the Throttle Actuator Control (TAC) module. The TAC module manages electronic throttle control communication.

Symptoms

  • Reduced Engine Power
  • Check Engine Light
  • Limited throttle response
  • Possible stalling

Common causes

  • TAC module failure
  • Communication fault between TAC and PCM
  • Wiring issue
  • PCM failure

Diagnostic steps

  1. Test communication between TAC and PCM
  2. Check TAC module power and grounds
  3. Inspect wiring
  4. Test throttle body operation

Repair notes

Replace TAC module or repair communication wiring. Check for PCM software updates.

🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
As an Amazon Associate, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other Powertrain codes on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI
Share:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 2010 Cadillac Escalade repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.
The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.
Sponsor the Cadillac Escalade — $99 →
Building an app?
Free API access to all this data — 20 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →