AutoCodes - OBDII Code List - B1249 LEXUS

B1249 LEXUS - Double Locking ECU Communication Stop

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

B1249 LEXUS Possible Causes

  • Faulty Double Lock Door Control Relay
  • Double Lock Door Control Relay harness is open or shorted
  • Double Lock Door Control Relay circuit poor electrical connection
  • Faulty Main Body ECU

How do I fix code B1249 LEXUS?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Connect Your Car To The Future

Cost of diagnosing the B1249 LEXUS code

Labor: 1.0

The cost of diagnosing the B1249 LEXUS code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B1249 LEXUS Description

The Diagnostic Trouble Code (DTC) B1249 is stored when communication between the Double Lock Door Control Relay and Main Body ECU stops for more than 10 seconds.
OBDII Code B1249 Lexus - Double Locking ECU Communication Stop - AutoCodes.com

More Information

Need more information on how to fix the B1249 LEXUS code?
Get Access to Factory Service Manuals

Need more help?

Get the B1249 Lexus code diagnosed by a professional: Find a repair shop in your area

Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the B1249 Lexus code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧