P1386 Cadillac Variable Cam Timing Overadvanced (Bank #2)

P1386 Cadillac Variable Cam Timing Overadvanced (Bank #2)

Possible causes
  • Cam timing improperly set.
  • No oil flow to the VCT piston chamber.
  • Low oil pressure.
  • VCT solenoid valve stuck closed.
  • Camshaft advance mechanism binding (VCT unit).
    • Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1386 Cadillac Description

    The comprehensive component monitor (CCM) monitors the VCT position for an over-advanced camshaft timing. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position.

    Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX