Engine-CodesCadillac – P0352 Cadillac

P0352 Cadillac Code - Ignition Coil 2 Control Circuit

Quick Answer

The P0352 Cadillac diagnostic trouble code (DTC) indicates a problem with the ignition coil 2 control circuit. Common causes include Faulty ignition coil, Damaged or corroded wiring or connectors in the ignition coil circuit, Issues with the ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0352 Cadillac indicates Ignition Coil 2 Control Circuit.
Common causes
Common causes include Faulty ignition coil, Damaged or corroded wiring or connectors in the ignition coil circuit, Issues with the ECM.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P0352 Cadillac Description

The P0352 Cadillac diagnostic trouble code (DTC) indicates a problem with the ignition coil 2 control circuit. The ignition coil is responsible for converting the low voltage power from the battery into the high voltage power needed to ignite the fuel in the engine's combustion chamber. The control circuit is essential for regulating the timing and duration of the spark that is sent to the spark plug.

OBDII Code P0352 Cadillac - Ignition Coil 2 Control Circuit
P0352 Cadillac Code - Ignition Coil 2 Control Circuit

Common Causes of P0352 Cadillac

  1. Faulty ignition coil
  2. Damaged or corroded wiring or connectors in the ignition coil circuit
  3. Issues with the ECM
  4. Spark plug issues
  5. Electrical system problems

Symptoms of P0352 Cadillac

  1. Engine misfires
  2. Rough idling
  3. Decreased fuel efficiency
  4. Engine stalling
  5. Illuminated check engine light

How to Fix P0352 Cadillac

  1. Diagnose the specific cause of the issue using a scan tool to pinpoint the exact problem within the ignition coil control circuit.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. Test the ignition coil for proper functionality and replace if defective.
  4. Check and potentially replace the spark plugs if they are worn out or damaged.
  5. Clear the DTC from the ECM and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0352 Cadillac

The cost of repairing the ignition coil 2 control circuit issue can vary depending on the specific cause of the problem and the labor rates in your area. On average, the cost of parts for a new ignition coil can range from $50 to $200, while labor costs can range from $100 to $200. Overall, you can expect to pay anywhere from $150 to $400 for this repair. It's advisable to contact local auto repair shops for a more accurate estimate based on your vehicle's make and model.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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