OBD Guide

P1CEC

Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard

P1CEC is an OBD-II diagnostic trouble code meaning: Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard. Common causes: vvt solenoid malfunction, dirty or clogged vvt oil passages. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine idling
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine light comes on
  • Problems starting in cold weather

Causes

  • VVT solenoid malfunction
  • Dirty or clogged VVT oil passages
  • Low oil pressure
  • Problems with wiring to the solenoid
  • Engine control unit malfunction

How to Fix

  1. Check the condition and level of the engine oil
  2. Diagnose VVT solenoid operation
  3. Check solenoid wiring and connectors
  4. Clean or replace VVT solenoid
  5. If necessary, replace the oil filter

Related codes

FAQ

What does the P1CEC code mean?

P1CEC is an OBD-II diagnostic trouble code that indicates: Variable Valve Solenoid Valve Cold Start Closing Position 1 Timing Over-Retard

What causes a P1CEC error code?

The most common causes of P1CEC include: VVT solenoid malfunction; Dirty or clogged VVT oil passages; Low oil pressure; Problems with wiring to the solenoid.

How do I fix a P1CEC diagnostic trouble code?

To fix P1CEC: Check the condition and level of the engine oil. Diagnose VVT solenoid operation. Check solenoid wiring and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1CEC?

Yes, but get it checked soon

How much does it cost to fix P1CEC?

The estimated repair cost for P1CEC is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat