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AutoCodes - Generic - B1273

B1273 Code - Sliding Roof ECU Communication Stop

- Code Popularity: 12,271 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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By - Updated Sep 19, 2022
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|Code B1273 Possible 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

|How do I Fix the Code B1273?

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 connector's pins.

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|What is the Cost to Diagnose the Code B1273?

Labor: 1.0

The cost of diagnosing the B1273 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.

|What are Code B1273 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 -
B1273 Code - Sliding Roof ECU Communication Stop

|Need More Information on the B1273 Code?

Need more information on how to fix the B1273 code? Get Access to Factory Service Manuals

|Information for Specific Makes

|Need Help with the B1273 Code?

Get the B1273 code diagnosed by a professional: Find a repair shop in your area

|Code B1273 comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the B1273 code? Have you replaced any parts?
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