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Home/DTC Codes/Cadillac/XTS/2013-2019 3.6L V6/P1351
P1351

Ignition Control Circuit High Voltage

2013-2019 Cadillac XTS 3.6L V6

High SeverityPowertrain

Description

The PCM detected higher than expected voltage on the ignition control output circuit when the circuit should be low.

Symptoms

  • Check Engine Light
  • Engine misfires
  • Rough running
  • Possible no-start

Common Causes

  • Short to voltage in IC circuit
  • Faulty ignition control module
  • Damaged coil causing feedback
  • Wiring issue

Diagnostic Steps

  1. Test IC circuit voltage
  2. Check for shorts to voltage in wiring
  3. Test ignition module
  4. Inspect coil primary circuits

Repair Notes

Repair short in wiring or replace ignition module/coil.

Related Codes

P1350Ignition Control SystemP1350Ignition Control SystemP1350Ignition Control SystemP1350Ignition Control SystemP1350Ignition Control SystemP1350Ignition Control SystemP1350Ignition Control SystemP1350Ignition Control SystemP1350Misfire Cylinder 6 With Fuel Cut-OffP1350Misfire Cylinder 6 With Fuel Cut-OffP1361Ignition Control Circuit Low VoltageP1361Ignition Control Circuit Low VoltageP1361TDC Sensor 1 Intermittent InterruptionP1361Ignition Control Circuit Low VoltageP1361Ignition Control Circuit Low VoltageP1361Ignition Control Circuit Low VoltageP1361TDC Sensor 1 Intermittent InterruptionP1361Ignition Control Circuit Low VoltageP1361Ignition Control Circuit Low VoltageP1361Ignition Control Circuit Low Voltage

Other Powertrain Codes

P1351 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

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Common Questions

What does code P1351 mean on a 2013-2019 Cadillac XTS?

P1351 stands for "Ignition Control Circuit High Voltage". The PCM detected higher than expected voltage on the ignition control output circuit when the circuit should be low.

What are the symptoms of P1351 on a Cadillac XTS?

Common symptoms of P1351 include: Check Engine Light, Engine misfires, Rough running, Possible no-start.

What causes P1351 on a 2013-2019 Cadillac XTS?

Common causes of P1351 include: Short to voltage in IC circuit, Faulty ignition control module, Damaged coil causing feedback, Wiring issue.

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