Subaru U1302: CAN-LS Bus Off

Is your scanner showing Subaru U1302?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Subaru U1302: CAN-LS Bus Off

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

What Does The Subaru U1302 Code Mean?

Open or power supply-output short, GND-output short occurs in both CAN line. Internal error in each control module. Display error may occur in fuel gauge because the CAN communication is not transmitted (sending/receiving) normally.

What Are The Potential Causes Of The Subaru U1302 Code?

  • Wiring harness used by CAN communication lines need repair.
  • Navigation or audio unit needs repair.
  • Auto A/C control module needs repair.
  • Body integrated unit needs repair.
  • Defective combination meter.

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
>>> Twippo 372Pcs Waterproof Wire Connectors Kit

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

Reference Sources

Diagnostic Procedure with Diagnostic Trouble Code for U1302 – 2008 Impreza WRX, pages 68-69.

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