B1249 - Double Locking ECU Communication Stop

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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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

First diagnose B1249 code

    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 terminals.

Cost of diagnosing the B1249 code

    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.

B1249 Possible Symptoms

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

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 - AutoCodes.com

B1249 More Information

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B1249 Information for specific makes

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