Engine-Codes - Generic - U1280

U1280 - Communication Bus Line Error

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U1280 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 is the U1280 code repair?

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.

What is the cost to diagnose the U1280 code

Labor: 1.0

The cost to diagnose 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.
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Possible Symptoms

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

U1280 Meaning

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

More Information

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Information for specific makes

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