OBD Guide

P2E48

Hybrid/EV Electronics Coolant Pump B Overspeed

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Overheating of hybrid components
  • Cooling pump noise
  • Switching to emergency mode

Causes

  • Pump motor malfunction
  • Problems with wiring or connectors
  • Low coolant level
  • Blocked or clogged pump
  • Hybrid control module error

How to Fix

  1. Check the level and condition of the coolant
  2. Diagnose the electrical circuit of the pump
  3. Check the resistance of the pump windings
  4. Replace faulty cooling pump
  5. Clear the error and do a test run

Related codes

Error P2E48 by Vehicle Brand