OBD Guide

U0144

Lost Communication With Body Control Module D

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Power windows don't work
  • Problems with central locking
  • Incorrect lighting operation
  • Lack of communication with diagnostic equipment
  • Check Engine Light Is On

Causes

  • Open or short circuit in wiring
  • BCM malfunction
  • BCM power problems
  • Corrosion of connectors
  • Software glitch in BCM

How to Fix

  1. Check integrity of BCM wiring and connectors
  2. Check fuses and relays associated with the BCM
  3. Measure voltage at BCM connectors
  4. Scan the BCM for additional errors
  5. If necessary, replace or reflash the BCM

Related codes

Error U0144 by Vehicle Brand