Subaru U1201: CAN-HS Counter Abnormal

Is your scanner showing Subaru U1201?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Subaru U1201: CAN-HS Counter Abnormal

OVERVIEW
Severity
:
High
DIY Difficulty Level
:
Advanced
Repair Cost
:
$550-$750
Can I Still Drive?
:
No

What Does The Subaru U1201 Code Mean?

High speed CAN communication becomes unstable.

What Are The Potential Causes Of The Subaru U1201 Code?

  • Bad wiring harness
  • Open or short circuit
  • Poor connector terminal on the ECM
  • Defective yaw rate sensor
  • Defective ECM

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
>>> INNOVA 5210
>>> Subaru VDC/ABS CM
>>> Suspension Yaw Sensor Fits Forester

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 U1201 – 2008 Impreza WRX, pages 45-47.

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