OBD Guide

P201D

Intake Manifold Runner Control Actuator Internal Performance Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Deterioration in acceleration dynamics
  • Increased fuel consumption
  • Unstable operation at idle

Causes

  • Damper actuator malfunction
  • Open or short circuit in control circuit
  • Wiring Harness Problems
  • Jamming or mechanical damage to the dampers
  • Engine control unit malfunction

How to Fix

  1. Check the condition of the actuator
  2. Check the integrity of the control circuit and wiring harness
  3. Clean and lubricate the damper mechanism
  4. Replace faulty actuator
  5. Check and, if necessary, replace the engine control unit

Related codes

Error P201D by Vehicle Brand