OBD Guide

U04AE

Invalid Data Received From Hybrid/EV Battery Interface Control Module N

U04AE is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Hybrid/EV Battery Interface Control Module N. Common causes: battery management module malfunction, problems with the can bus. Estimated repair cost: $167โ€“889.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167โ€“889 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Switching to emergency mode
  • Battery charging problems
  • Error message on display

Causes

  • Battery management module malfunction
  • Problems with the CAN bus
  • Wiring harness damage
  • Poor contact in connectors
  • Module software error

How to Fix

  1. CAN bus diagnostics
  2. Checking wiring integrity
  3. Inspection of connectors and contacts
  4. Reflashing the control module
  5. Replace the battery management module if necessary
  6. Repair only from an authorized dealer

Related codes

Error U04AE by Vehicle Brand

FAQ

What does the U04AE code mean?

U04AE is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Hybrid/EV Battery Interface Control Module N

What causes a U04AE error code?

The most common causes of U04AE include: Battery management module malfunction; Problems with the CAN bus; Wiring harness damage; Poor contact in connectors.

How do I fix a U04AE diagnostic trouble code?

To fix U04AE: CAN bus diagnostics. Checking wiring integrity. Inspection of connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U04AE?

Limited driving only, diagnose soon

How much does it cost to fix U04AE?

The estimated repair cost for U04AE is $167โ€“889. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat