B1249 Scion Code - Double Locking ECU Communication Stop
Quick Answer
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. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1249 Scion indicates Double Locking ECU Communication Stop.
- Common causes
- Common causes include 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.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1249 Scion Description
What are the Possible Causes of the DTC B1249 Scion?
- 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 DTC B1249 Scion?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
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. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1249 Scion Code
1. What does OBDII code B1249 for Scion Double Locking ECU Communication Stop mean?
The code B1249 indicates a communication error between the Double Locking ECU (Electronic Control Unit) and other vehicle systems in a Scion.
2. What are the common symptoms of OBDII code B1249 in a Scion?
Common symptoms include issues with the vehicle's central locking system, immobilizer system, and key fob functionality.
3. What are the possible causes of OBDII code B1249 in a Scion?
Potential causes include faulty wiring or connectors in the central locking system, a malfunctioning Double Locking ECU, or a communication error within the vehicle's network.
4. How can I diagnose OBDII code B1249 in my Scion?
Diagnosing this code typically involves using a professional OBDII scanner to retrieve the specific fault codes, checking the wiring and connectors related to the Double Locking ECU, and performing a thorough inspection of the central locking system.
5. Can I repair OBDII code B1249 in my Scion at home?
While simple issues like loose connectors or blown fuses can be addressed at home, complex issues with the Double Locking ECU or wiring may require professional diagnosis and repair.
6. Are there any safety concerns associated with OBDII code B1249 in a Scion?
Since this code can affect important vehicle systems like the central locking and immobilizer, it is recommended to address the issue promptly to ensure the security and functionality of the vehicle.
7. Will resetting the OBDII code B1249 in my Scion make the problem go away?
Simply resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the communication stop between the Double Locking ECU and other systems.
8. How much does it cost to repair OBDII code B1249 in a Scion?
The cost of repair can vary depending on the exact cause of the issue. It is advisable to consult with a professional mechanic for an accurate diagnosis and cost estimate.
9. Can OBDII code B1249 in a Scion cause the vehicle to become inoperable?
While the vehicle may still be operable with this code present, it can lead to inconvenience and potential issues with the central locking and immobilizer systems.
10. Is it safe to continue driving my Scion with OBDII code B1249 unresolved?
It is generally not recommended to drive the vehicle with unresolved OBDII codes, as they can indicate underlying problems that may affect the vehicle's performance and safety.
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