Engine-Codes - Generic - B1249

B1249 Code - Double Locking ECU Communication Stop

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

|B1249 code 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 is the B1249 code repair?

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 B1249 code

Labor: 1.0

The cost to diagnose the B1249 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.

|What are B1249 code possible symptoms?

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

|What is B1249 code meaning?

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.

|Need more information with the B1249 code?

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|B1249 code information for specific makes

|Need help with a B1249 code?

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