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Home >> Jeep >> 2012 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> P1637-TCM Internal-EEPROM Performance >> Possible Causes

Possible Causes

Possible Causes 
TRANSMISSION CONTROL MODULE (TCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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