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AutoCodes - Generic - B1273

B1273 Code - Sliding Roof ECU Communication Stop

- Code Popularity: 14,950 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1273?

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 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
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How to Fix the DTC B1273?

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 B1273 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 B1273 Description

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.

OBDII Code B1273 - Sliding Roof ECU Communication Stop - AutoCodes.com
B1273 Code - Sliding Roof ECU Communication Stop

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Code B1273 comments

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