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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 151 (Engine Control System Diagnosis - 2.0L (3 Of 3)) >> DTC U0001-00: High Speed CAN Communication BUS OFF (C-CAN) >> Wiring Inspection >> Signal Circuit Inspection >> Check CAN Communication Line For Open

Check CAN Communication Line For Open

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Check Item  Specifications  Check Condition  Terminal (+)  Terminal (-) 
Resistance Approx. 110~130Ω Ignition SW "OFF" High signal terminal of PCM harness Low signal terminal of PCM harness
  1. Is the measured resistance within specification?

    YES 

    • Go to next step below

    NO 

    • Check for open in wiring related to the CAN communication (PCM, EPS, MTS and vertical resistor at the junction box). Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure
NOTE: Vertical Resistor Resistance: Approx. 110~130Ω