B1273 Scion Code - Sliding Roof ECU Communication Stop
Quick Answer
This Diagnostic Trouble Code (DTC) is stored when Local Interconnect Network (LIN) communication between the sliding roof drive gear sub-assembly and Main Body ECU (Multiplex Network Body ECU) stops for 10 seconds or more. Common causes include Faulty Sliding roof drive gear sub-assembly, Faulty Main Body ECU (Multiplex Network Body ECU), Main Body ECU harness is open or shorted. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B1273 Scion indicates Sliding Roof ECU Communication Stop.
- Common causes
- Common causes include Faulty Sliding roof drive gear sub-assembly, Faulty Main Body ECU (Multiplex Network Body ECU), Main Body ECU harness is open or shorted.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B1273 Scion Description
What are the Possible Causes of the DTC B1273 Scion?
- Faulty Sliding roof drive gear sub-assembly
- Faulty Main Body ECU (Multiplex Network Body ECU)
- Main Body ECU harness is open or shorted
- Main Body ECU circuit poor electrical connection
How to Fix the DTC B1273 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 B1273 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 B1273 Scion Code
1. What are the common symptoms of OBDII code B1273 in a Scion related to the Sliding Roof ECU Communication Stop?
- Common symptoms include the sliding roof not opening or closing properly, malfunction indicator light (MIL) illuminated, and communication errors with the sliding roof ECU.
2. What are the possible causes of OBDII code B1273 in a Scion regarding the Sliding Roof ECU Communication Stop?
- Possible causes may include wiring issues, a faulty sliding roof ECU, poor connections, or a communication breakdown between the ECU and other vehicle systems.
3. How can I diagnose the OBDII code B1273 in my Scion for the Sliding Roof ECU Communication Stop?
- Diagnose the code by checking the wiring connections, inspecting the sliding roof ECU for any visible damage, and using a diagnostic scanner to read the error codes and troubleshoot the communication issue.
4. Can I repair OBDII code B1273 in my Scion related to the Sliding Roof ECU Communication Stop myself?
- Depending on your automotive repair skills, you may be able to repair the issue yourself by checking and fixing wiring connections, replacing the sliding roof ECU if needed, and ensuring proper communication between components.
5. Are there any specific repair tips for resolving OBDII code B1273 in a Scion with the Sliding Roof ECU Communication Stop?
- Ensure all wiring connections related to the sliding roof ECU are secure and intact, check for any corrosion or damage, consider resetting the ECU, and conduct a thorough inspection to pinpoint the root cause of the communication stop.
6. Do I need specialized tools to diagnose and repair OBDII code B1273 in my Scion's Sliding Roof ECU Communication Stop?
- A diagnostic scanner capable of reading OBDII codes and communicating with the vehicle's systems will be essential for diagnosing the issue. Basic tools like multimeters and wiring tools may also be required for inspection and repair.
7. Is it safe to drive my Scion with OBDII code B1273 related to the Sliding Roof ECU Communication Stop?
- It is generally safe to drive, but you may experience issues with the sliding roof operation. It is recommended to address the problem promptly to avoid further complications or damage to the vehicle's components.
8. How common is OBDII code B1273 in Scion vehicles due to the Sliding Roof ECU Communication Stop?
- While not extremely common, this code can occur in Scion vehicles with a sliding roof system, especially in older models or due to wiring issues over time. Regular maintenance and inspections can help prevent such issues.
9. Can extreme weather conditions affect the occurrence of OBDII code B1273 in a Scion with the Sliding Roof ECU Communication Stop?
- Extreme weather conditions like heavy rain, snow, or extreme heat may exacerbate existing wiring issues or contribute to communication breakdowns, potentially leading to the triggering of this OBDII code.
10. Are there any recalls or technical service bulletins related to OBDII code B1273 in Scion vehicles associated with the Sliding Roof ECU Communication Stop?
- It's recommended to check with your local Scion dealership or the manufacturer's website for any recalls or technical service bulletins specific to OBDII code B1273 and the Sliding Roof ECU Communication Stop to stay informed about any related updates or repairs.
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