P1381 - Variable Camshaft Timing Over-Advanced (Bank 1)

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION P1381 - Variable Camshaft Timing Over-Advanced (Bank 1)
P1381 - VARIABLE CAMSHAFT TIMING OVER-ADVANCED (BANK 1)

Description:  The comprehensive component monitor (CCM) monitors the VCT position for an overadvanced camshaft timing. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position.
Possible Causes: 
  • Camshaft 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).
Diagnostic Aids:  P1381 DTC is a check of the VCT unit. Testing should not include electrical checks. Diagnostics and repair for the VCT unit are located in the appropriate ENGINE article.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - GO to HK: Variable Cam Timing (VCT) STEP 15 GO to HK: Variable Cam Timing (VCT) STEP 15
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.