Engine-Codes - Generic - B1273

B1273 Code - Sliding Roof ECU Communication Stop

- Code Popularity: 12,582 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
What is this?
Table of contents
What does this mean?

|What are the Possible Causes of the Code B1273?

  • 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 B1273 Code?

Start by checking 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.

Search B1273 Questions and Answers

|What is the Cost to Diagnose the Code B1273?

Labor: 1.0

The cost to diagnose the B1273 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

Does your Car have Safety Recalls? → Check here

|What are Code B1273 Possible Symptoms?

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

|What Does the B1273 Code Mean?

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.

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

|Code B1273 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

Related Information