U014C

Lost Communication With Battery Energy Control Module D

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Reduced performance of the hybrid system
Battery charging problems
Incorrect charge level readings
Engine power limitation

Causes

Broken or damaged wires in the communication circuit
Battery Energy Management Module malfunction
Module power problems
Corrosion of contacts or connectors
Software failure in the module

How to Fix

Check the integrity of the wiring harness and connectors
Check the power supply and ground of the module
Scan the module for additional errors
Reflash or replace the control module
Repair only from an authorized dealer

Related codes

U0140 U0141 U0142