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2007 CADILLAC ESCALADE EXT
6.2L V8•4WD•AUTOMATIC•gas
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor499Torque2196Fluid10DTC1168Battery1Maintenance0Recalls5
P1351high severityPowertrain

Ignition Control Circuit High Voltage

on 2007 Cadillac Escalade EXT 6.2L V8 · 4WD

What this code means

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.

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