P3402 Cadillac Code - Cylinder 1 Deactivation Solenoid Valve Control Performance
Quick Answer
The P3402 diagnostic trouble code (DTC) for Cadillac vehicles specifically relates to the Cylinder 1 Deactivation Solenoid Valve Control Performance. Common causes include Faulty Cylinder 1 Deactivation Solenoid Valve, Wiring or connector issues in the solenoid valve circuit, Low oil pressure or contaminated oil. 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
- P3402 Cadillac indicates Cylinder 1 Deactivation Solenoid Valve Control Performance.
- Common causes
- Common causes include Faulty Cylinder 1 Deactivation Solenoid Valve, Wiring or connector issues in the solenoid valve circuit, Low oil pressure or contaminated oil.
- 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.
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Code P3402 Cadillac Description
The P3402 diagnostic trouble code (DTC) for Cadillac vehicles specifically relates to the Cylinder 1 Deactivation Solenoid Valve Control Performance. This code indicates that there is a performance issue with the solenoid valve responsible for controlling the deactivation of cylinder 1 in vehicles equipped with cylinder deactivation technology.
Common Causes of P3402 Cadillac
- Faulty Cylinder 1 Deactivation Solenoid Valve
- Wiring or connector issues in the solenoid valve circuit
- Low oil pressure or contaminated oil
- PCM software issues
- Mechanical issues in the cylinder deactivation system
Symptoms of P3402 Cadillac
- Check Engine Light illuminated on the dashboard
- Engine misfires or rough idle
- Reduced engine power
- Poor fuel economy
- Engine knocking or unusual noises
How to Fix P3402 Cadillac
- Begin by performing a visual inspection of the solenoid valve and its wiring harness to check for any obvious signs of damage or disconnection.
- Use a scan tool to monitor the operation of the solenoid valve and check for any irregularities in its performance.
- Test the oil pressure to ensure it is within the manufacturer's specifications, as low oil pressure can affect the solenoid valve's operation.
- If necessary, replace the Cylinder 1 Deactivation Solenoid Valve and clear the DTC from the PCM.
- After the repair, perform a test drive to verify that the issue has been resolved and that the Check Engine Light does not come back on.
Cost to Fix P3402 Cadillac
The cost of repairing a P3402 DTC for a Cadillac vehicle can vary depending on the specific model, year, and location of the vehicle. In general, the cost of replacing a Cylinder 1 Deactivation Solenoid Valve can range from $150 to $300 for the part alone. Labor costs at an auto repair shop can add an additional $100 to $200, bringing the total repair cost to approximately $250 to $500.
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