OBD Guide

U0144

Lost Communication With Body Control Module D

U0144 is an OBD-II diagnostic trouble code meaning: Lost Communication With Body Control Module D. Common causes: open or short circuit in wiring, bcm malfunction. Estimated repair cost: $22–167.

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

FAQ

What does the U0144 code mean?

U0144 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Body Control Module D

What causes a U0144 error code?

The most common causes of U0144 include: Open or short circuit in wiring; BCM malfunction; BCM power problems; Corrosion of connectors.

How do I fix a U0144 diagnostic trouble code?

To fix U0144: Check integrity of BCM wiring and connectors. Check fuses and relays associated with the BCM. Measure voltage at BCM connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0144?

Yes, but get it checked soon

How much does it cost to fix U0144?

The estimated repair cost for U0144 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat