Ignition Control System
2001-2001 Cadillac DeVille 4.6L V8 Northstar
The 2001 Cadillac DeVille is equipped with a 4.6L V8 engine. Below you'll find detailed p1350 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The PCM detected a general malfunction in the ignition control system. This code indicates the PCM is not receiving the expected feedback from the ignition module.
Symptoms
- Check Engine Light
- Engine misfires on multiple cylinders
- Rough running
- No start
- Loss of power
Common Causes
- Faulty ignition control module
- Damaged ignition coil pack
- Wiring issue between PCM and IC module
- PCM failure
- Poor ground connection
Diagnostic Steps
- Test ignition module output with scope
- Inspect ignition coils
- Check wiring between PCM and IC module
- Verify power and ground to IC module
- Test each coil primary circuit
Repair Notes
Replace ignition control module or coil assembly. Check power, grounds, and wiring.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P1350 on Other Vehicles
Common Questions
What does code P1350 mean on a 2001-2001 Cadillac DeVille?
P1350 stands for "Ignition Control System". The PCM detected a general malfunction in the ignition control system. This code indicates the PCM is not receiving the expected feedback from the ignition module.
What are the symptoms of P1350 on a Cadillac DeVille?
Common symptoms of P1350 include: Check Engine Light, Engine misfires on multiple cylinders, Rough running, No start, Loss of power.
What causes P1350 on a 2001-2001 Cadillac DeVille?
Common causes of P1350 include: Faulty ignition control module, Damaged ignition coil pack, Wiring issue between PCM and IC module, PCM failure, Poor ground connection.
Last updated: March 2026