P3402
Cylinder 1 Deactivation/Intake Valve Control Circuit Performance
P3402 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Deactivation/Intake Valve Control Circuit Performance. Common causes: open or short circuit in control circuit, control solenoid valve malfunction. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Reduced engine power
- Check Engine Light Illuminates
- Misfire in cylinder 1
Causes
- Open or short circuit in control circuit
- Control solenoid valve malfunction
- Wiring Harness Problems
- Engine control unit malfunction
- Mechanical damage to the intake valve
How to Fix
- Check the control circuit for opens and short circuits
- Check the operation of the control solenoid valve
- Inspect the wiring harness for damage
- Check the operation of the engine control unit
- Check the mechanical condition of the intake valve
Related codes
Error P3402 by Vehicle Brand
FAQ
What does the P3402 code mean?
P3402 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Deactivation/Intake Valve Control Circuit Performance
What causes a P3402 error code?
The most common causes of P3402 include: Open or short circuit in control circuit; Control solenoid valve malfunction; Wiring Harness Problems; Engine control unit malfunction.
How do I fix a P3402 diagnostic trouble code?
To fix P3402: Check the control circuit for opens and short circuits. Check the operation of the control solenoid valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P3402?
Yes, but get it checked soon
How much does it cost to fix P3402?
The estimated repair cost for P3402 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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