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Home >> Chrysler >> 2014 >> 300 SRT-8 >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Transmission Control Module (TCM) - Electrical Diagnostics - Nag1 Automatic Transmission >> DTC Troubleshooting >> P2638-Torque Management Feedback Signal Performance >> Possible Causes

Possible Causes

Possible Causes
CAN BUS CIRCUIT DTC PRESENT
TRANSMISSION CONTROL MODULE
POWERTRAIN/ENGINE CONTROL MODULE

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to NAG1 PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .

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