P1300high severityPowertrain
Ignitor Circuit Malfunction
on 2010 Cadillac Escalade 6.2L V8 · 4WD
What this code means
The PCM detected a malfunction in the ignition ignitor circuit. The ignitor is part of the ignition module that controls spark timing and delivery.
Symptoms
- Check Engine Light
- Engine misfires
- Rough running
- No start condition
- Loss of power
Common causes
- Faulty ignition module
- Damaged ignition coil
- Wiring issue to ignition module
- PCM failure
- Poor ground connection
Diagnostic steps
- Test ignition module output
- Inspect ignition coils
- Check wiring to ignition module
- Verify ground connections
- Test PCM ignition output signals
Repair notes
Replace faulty ignition module or coil. Check grounds and wiring first.
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