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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (3 Of 3)) >> DTC/Circuit Diagnosis >> DTC P1801: VIAS Control Solenoid Valve 2 >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition Possible cause
P1801 VIAS S/V CIRC-B2
(VIAS solenoid valve circuit bank 2)
An excessively low or high voltage signal is sent to ECM through the VIAS control solenoid valve 2.
  • Harness or connectors

    (The solenoid valve 2 circuit is open or shorted.)

  • VIAS control solenoid valve 2