OBD Guide

P3487

Cylinder 11 Exhaust Valve Control Circuit Low

P3487 is an OBD-II diagnostic trouble code meaning: Cylinder 11 Exhaust Valve Control Circuit Low. Common causes: open or short circuit in wiring harness, exhaust valve control solenoid valve malfunction. Estimated repair cost: $17–89.

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

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Possible misfires

Causes

  • Open or short circuit in wiring harness
  • Exhaust valve control solenoid valve malfunction
  • Poor contact in control circuit connectors
  • Problems with the engine control unit (ECU)
  • Mechanical damage to system components

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the resistance and operation of the solenoid valve
  3. Check control circuit voltage
  4. If necessary, replace faulty components
  5. Reset the error code and check if it returns

Related codes

Error P3487 by Vehicle Brand

FAQ

What does the P3487 code mean?

P3487 is an OBD-II diagnostic trouble code that indicates: Cylinder 11 Exhaust Valve Control Circuit Low

What causes a P3487 error code?

The most common causes of P3487 include: Open or short circuit in wiring harness; Exhaust valve control solenoid valve malfunction; Poor contact in control circuit connectors; Problems with the engine control unit (ECU).

How do I fix a P3487 diagnostic trouble code?

To fix P3487: Check the integrity of the wiring harness and connectors. Check the resistance and operation of the solenoid valve. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P3487?

Yes, but get it checked soon

How much does it cost to fix P3487?

The estimated repair cost for P3487 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat