Lost Communication With Door Control Module A
The U0183 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Door Control Module A. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $150 - $500 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Power window on one door not working
- Door lock on one door inoperative
- Side mirror adjustment lost on one side
- Interior light for affected door not working
- Door ajar warning stays on or does not illuminate
Probable Causes (Ranked by Likelihood)
- Failed door control module Very High
- Damaged wiring in door jamb flex area High
- Water intrusion inside the door panel Moderate
- Corroded connector at door module Moderate
Step-by-Step Diagnostic Procedure
-
Check for broken wires in the door jamb boot where wires flex
-
Inspect the door control module connector for water damage
-
Verify power and ground at the door module
-
Check the door module fuse in the interior fuse box
-
Scan for related codes in the body control module
Frequently Asked Questions
Can I drive with code U0183?
Yes, safe to drive. Only the affected door's power window, lock, and mirror functions may be lost. You can still manually lock the door.
What causes U0183?
The most common cause is broken wires in the door jamb area where the harness flexes every time the door opens and closes. Water intrusion in the door panel is also common.
Is U0183 expensive to fix?
Typically $150 to $500. Wire repairs in the door jamb are on the lower end. Module replacement is more expensive but less common.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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