Having problems with your 2003 Cadillac Sts ?
Service engine soon light had car scanned came up tcc transmission control circuit switches gears fine
This could be a bad torque converter solenoid, or a bad torque converter and/or the wiring going to and in the transmission. further diagnostics should be done with a scanner
Repair Help & Product Troubleshooting for 2003 Cadillac Sts
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