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Home › Honda › 2021 › Passport Elite › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Mechanical / Engine Control System - Service, Testing And Troubleshooting › Symptom Troubleshooting Index for Viewer › HDS Does Not Communicate With The PCM Or The Vehicle

HDS Does Not Communicate With The PCM Or The Vehicle

Diagnostic procedure

Troubleshoot the DLC circuit .

Also check for

Correct HDS software