OBD Guide

U02AE

Lost Communications With Hybrid/EV Battery Coolant Pump

U02AE is an OBD-II diagnostic trouble code meaning: Lost Communications With Hybrid/EV Battery Coolant Pump. Common causes: battery cooling pump malfunction, open or short circuit in the power supply. Estimated repair cost: $167โ€“500.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167โ€“500 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • Battery overheat warning
  • Unusual noises from the battery area
  • Extended charging time

Causes

  • Battery cooling pump malfunction
  • Open or short circuit in the power supply
  • Wiring Harness Problems
  • Control unit malfunction
  • Low coolant level

How to Fix

  1. Check fuses and pump relays
  2. Diagnose the operation of the cooling pump
  3. Check the integrity of the wiring harness
  4. Measure the level and condition of the coolant
  5. Scan the control unit for additional errors

Related codes

Error U02AE by Vehicle Brand

FAQ

What does the U02AE code mean?

U02AE is an OBD-II diagnostic trouble code that indicates: Lost Communications With Hybrid/EV Battery Coolant Pump

What causes a U02AE error code?

The most common causes of U02AE include: Battery cooling pump malfunction; Open or short circuit in the power supply; Wiring Harness Problems; Control unit malfunction.

How do I fix a U02AE diagnostic trouble code?

To fix U02AE: Check fuses and pump relays. Diagnose the operation of the cooling pump. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U02AE?

Limited driving only, diagnose soon

How much does it cost to fix U02AE?

The estimated repair cost for U02AE is $167โ€“500. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat