2002 Honda Insight StandardFACTORY OEM SERVICE PROCEDURE

DTC B2000: Communication Bus Line Error

WARNING: This page is about a different car, the 2006 Honda Odyssey and 2005 Honda Odyssey. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A  ).
  1. Clear the DTCs with the HDS.
  2. Turn the ignition switch OFF, and then back ON (II).
  3. Wait for 6 seconds or more.
  4. Check for DTCs with the HDS.

    Is DTC B2000 indicated? 

    1. YES  - Go to step 5.
    2. NO  - Intermittent failure, the system is OK at this time. Check for loose or poor connections at the left power sliding door control unit connector A (22P), at the MICU-rear junction box connectors A (14P) and G (8P), and at driver's under-dash fuse/relay box connector G (6P).
  5. Check for DTCs with the HDS.

    Is DTC B1000 also indicated? 

    1. YES  - Troubleshoot DTC B1000.
    2. NO  - If only B2000 is indicated, replace the left power sliding door control unit.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.