FixVault
Home
›
Jeep
›
2018
›
Wrangler JK Sahara, Automatic Trans
›
Repair and Diagnosis
›
Transmission
›
Automatic Trans
›
(Transmission Control Module (TCM) - Electrical Diagnostics)
›
DTC Troubleshooting
›
P0605-Internal Control Module ROM
›
Possible Causes
Possible Causes
Possible Causes
TRANSMISSION CONTROL MODULE (TCM)
Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to .