Engine-Codes - Lexus - B1249 Lexus

B1249 Lexus Code - Double Locking ECU Communication Stop

- Code Popularity: 2,670 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1249 Lexus?

  • 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 to Fix the B1249 Lexus Code?

Start by checking 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.

|What is the Cost to Diagnose the Code B1249 Lexus?

Labor: 1.0

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

Does your Lexus have Safety Recalls? → Check here

|What are Code B1249 Lexus Possible Symptoms?

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

|What Does the B1249 Lexus Code Mean?

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.

B1249 Lexus Code - Double Locking ECU Communication Stop

|Need more Information on the B1249 Lexus Code?

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|Need Help with the B1249 Lexus Code?

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