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P3400 HONDA

P3400 HONDA - Valve Pause System Stuck Off Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Low engine oil level
  • Faulty Rocker Arm Oil Control Solenoid
  • Faulty EOP (Engine Oil Pressure) sensor
  • Incorrect oil type used
  • Engine mechanical condition

When is the code detected?

If there is a difference between the oil pressure conditions in the hydraulic circuit that are determined by the PCM command and the oil pressure conditions that are determined by the status of the front or rear rocker arm oil pressure switches, the system is considered faulty and the DTC is stored.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine vibration

P3400 Honda Description

The Variable Cylinder Management (VCM) system activates the rocker arm oil control solenoid A (Bank 1), B (Bank 1), and A (Bank 2) by commands from the Powertrain Control Module (PCM), and the appropriate solenoid charges/discharges the hydraulic circuit of the cylinder pause VTEC system that pauses the intake and exhaust valves on the front and rear banks. The PCM monitors oil pressure in the hydraulic circuit of the VTEC mechanism using the front of rear rocker arm oil pressure switches downstream of the rocker arm oil control solenoids.
OBDII Code P3400 Honda - Valve Pause System Stuck Off Bank 1 - AutoCodes.com

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P3400 HONDA Comments

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