OBD Guide

P201C

Intake Manifold Runner Control Actuator Supply Voltage Low Bank 2

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Idle problems

Causes

  • Open or short circuit in wiring harness
  • Damper actuator malfunction
  • Problems with the engine control unit
  • Faulty relay or fuse
  • Bad contacts in connectors

How to Fix

  1. Check control circuit voltage
  2. Inspect the wiring harness for damage
  3. Check the condition of connectors and contacts
  4. Test the damper actuator
  5. Replace faulty components

Related codes

Error P201C by Vehicle Brand