Having problems with your 2003 Cadillac CTS ?
2003 cadillac cts key stuck in ingnition no power to ignition or dash
Its the BCM mounted on the passenger side valve cover. Yes the body control mod is on the motor. The coil pack starts to fail, then emits a higher then norm electromagnetic fields and takes out the BCM bolted directly on the top of the passenger side coils. Under the column there is a small plastic screw that you remove then push up on the button to release the key.
Repair Help & Product Troubleshooting for 2003 Cadillac CTS
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