AutoCodes - Generic - U1280

U1280 Code - Communication Bus Line Error

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|U1280 code possible causes

  • Check battery charge
  • Faulty Control Unit
  • Control Unit harness is open or shorted
  • Control Unit circuit poor electrical connection
  • Faulty Multiplex Integrated Control Unit (MICU)

|How do I fix the U1280 code?

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.

|Cost of diagnosing the U1280 code

Labor: 1.0

The cost of diagnosing the U1280 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.

|What are U1280 code possible symptoms?

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

|U1280 code description

The Diagnostic Trouble Code (DTC) sets when there is a Communication Bus Line Error between any of the following control units:
- Passenger's MICU
- Gauge Control Unit
- Power Control Unit
- Keyless Access Control Unit
- Remote Slot Control Unit
- Immobilizer-keyless Control Unit
- Climate Control Unit
- Power Seat Control Unit
- Handsfreelink Control Unit
- Acuralink Control Unit
- Audio Unit
- Audio-Navigation Unit
- Power Tailgate Control
- BSI Control Unit
- Driver's MICU
OBDII Code U1280 - Communication Bus Line Error -

|Need more information with the U1280 code?

Need more information on how to fix the U1280 code? Get Access to Factory Service Manuals

|U1280 code information for specific makes

|Need help with a U1280 code?

Get the U1280 code diagnosed by a professional: Find a repair shop in your area

|U1280 code 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 U1280 code? Have you replaced any parts?
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