Chevrolet U1128: Lost Communications With Radio

Is your scanner showing Chevrolet U1128?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Chevrolet U1128: Lost Communications With Radio

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Intermediate
Repair Cost
:
$75-$200
Can I Still Drive?
:
Yes (Short-term only)

What Does The Chevrolet U1128 Code Mean?

Conditions for setting the DTC:

  • Battery Voltage is 9-16 volts.
  • DTCs U1300, U1301, or U1305 are not current.
  • The vehicle power mode requires serial data communication to occur.

What Are The Potential Causes Of The Chevrolet U1128 Code?

  • Faulty Radio
  • Radio harness is open or shorted
  • Radio circuit poor electrical connection

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> SWTNVIN Car Stereo Radio Android 11 DVD Player

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Chevrolet U1128, DTCDECODE.

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