Codes U0038 and code U0100

Tiny
JAMESODOUD
  • MEMBER
  • 2017 HONDA CIVIC
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 158,289 MILES
Codes U0038, and code U0100 appear with road departure mitigation and adaptive cruise control problems after reconnecting battery.
Sunday, June 19th, 2022 AT 5:45 PM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The codes
U0038 PT-CAN Malfunction (TCM ECU BUS-OFF)
U0100-00 : F-CAN Malfunction (EPS Control Unit-PCM)

These can get triggered due to any number of components. It can also be due to a wiring issue.

I have attached the troubleshooting guide for both of these codes below.
Follow those steps as it can help you determine the issue.

Let me know of any questions.
Thank you.
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Sunday, June 19th, 2022 AT 11:36 PM

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