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AutoCodes - Generic - B1249

B1249 Code - Double Locking ECU Communication Stop

- Code Popularity: 22,056 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Mar 05, 2019
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|Code B1249 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 the Code B1249?

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.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B1249?

Labor: 1.0

The cost of diagnosing the B1249 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.

|What are Code B1249 Possible Symptoms?

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

|Code B1249 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 - Double Locking ECU Communication Stop -
B1249 Code - Double Locking ECU Communication Stop

|Need More Information on the B1249 Code?

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

|Information for Specific Makes

|Need Help with the B1249 Code?

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

|Code B1249 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1249 code? Have you replaced any parts?
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