P3457

Cylinder 8 Deactivation/Intake Valve Control Circuit/Open

DTC P3457, sometimes indicated as P345700 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the auxiliary emissions system causing cylinder 8 deactivation/intake valve control circuit/open.

There are a few potential causes of this DTC code, including a faulty intake valve, a faulty ignition coil, or a faulty wiring harness. If the code is persistent, it may be necessary to take the vehicle to a mechanic for further diagnosis and repair.

  • P3457: Cylinder 8 Deactivation/Intake Valve Control Circuit/Open
  • P3457: Deactivation/intake valve control, cylinder 8 – open circuit
  • P3457 00: Deactivation/intake valve control, cylinder 8 - open circuit

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