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Home/DTC Codes/Cadillac/XTS/2013-2019 3.6L V6/P1517
P1517

Throttle Actuator Control Module Performance

2013-2019 Cadillac XTS 3.6L V6

High SeverityPowertrain

Description

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.

Related Codes

P1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Module Throttle Actuator Position PerformanceP1516Throttle Actuator Control Position PerformanceP1518Throttle Actuator Control Module Serial Data CircuitP1518Throttle Actuator Control Module Serial Data CircuitP1518Intake Manifold Runner Control Stuck ClosedP1518Intake Manifold Runner Control Stuck ClosedP1518Intake Manifold Runner Control Stuck ClosedP1518Throttle Actuator Control Module Serial Data CircuitP1518Throttle Actuator Control Module Serial Data CircuitP1518Throttle Actuator Control Module Serial Data CircuitP1518Throttle Actuator Control Module Serial Data CircuitP1518Throttle Actuator Control Module Serial Data CircuitP1518Throttle Actuator Control Module Serial Data CircuitP2101Throttle Actuator Control Motor Circuit Range/Performance

Other Powertrain Codes

P1517 on Other Vehicles

Cadillac ATS

2013-2019 2.0L Turbo I4

Cadillac ATS

2013-2019 2.5L I4

Cadillac ATS-V

2016-2019 3.6L Twin-Turbo V6

Cadillac CT4

2020-2024 2.0L Turbo I4

Cadillac CT4

2020-2024 2.7L Turbo I4

Cadillac CT4-V

2020-2024 2.7L Turbo I4

Cadillac CT4-V Blackwing

2022-2024 3.6L Twin-Turbo V6

Cadillac CT5

2020-2024 2.0L Turbo I4

Common Questions

What does code P1517 mean on a 2013-2019 Cadillac XTS?

P1517 stands for "Throttle Actuator Control Module Performance". The PCM detected a general performance failure of the Throttle Actuator Control (TAC) module. The TAC module manages electronic throttle control communication.

What are the symptoms of P1517 on a Cadillac XTS?

Common symptoms of P1517 include: Reduced Engine Power, Check Engine Light, Limited throttle response, Possible stalling.

What causes P1517 on a 2013-2019 Cadillac XTS?

Common causes of P1517 include: TAC module failure, Communication fault between TAC and PCM, Wiring issue, PCM failure.

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