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B1249 Scion Code - Double Locking ECU Communication Stop

- Code Popularity: 1,019 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1249 Scion?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
⚠ Does your Scion have Safety Recalls? → Check here

How to Fix the DTC B1249 Scion?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1249 Scion code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code B1249 Scion 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 Scion - Double Locking ECU Communication Stop - AutoCodes.com
B1249 Scion Code - Double Locking ECU Communication Stop

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Code B1249 Scion comments

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