OBD Guide

P2B84

Charge Air Cooler Coolant Pump A Underspeed

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced engine power
  • Engine overheating
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Intercooler coolant pump malfunction
  • Problems with the pump electrical circuit
  • Low coolant level
  • Intercooler cooling system clogged

How to Fix

  1. Check coolant level
  2. Diagnose the electrical circuit of the pump
  3. Check pump functionality
  4. Clean the intercooler cooling system if necessary
  5. Replace the pump if a fault is detected

Related codes

Error P2B84 by Vehicle Brand