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Home › Dodge and Ram › 2009 › Durango Base, 3.7 K › Repair and Diagnosis › Engine Performance › Ignition System › Transmission Electronic Hydraulic Control Module (TEHCM) - Electrical Diagnostics › DTC Troubleshooting › U0073-Control Module Communication Bus A Off › Possible Causes

Possible Causes

Possible Causes 
RELATED DTCS PRESENT
HYBRID GATEWAY MODULE
TRANSMISSION ELECTRO HYDRAULIC CONTROL MODULE (TEHCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Transmission Electronic Hydraulic Control (TEHCM) - Standard Procedure  . 

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