Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2017 Cadillac XTS BaseFACTORY OEM SERVICE PROCEDURE
Cruise Control System - DTCS
CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B3623, B3794, P0564, P0565, P0567, P0568, P056C, P0580, P0581, P0589, P0592, P0593, or P155A, P155C | Steering Wheel Controls/Cruise Control |
| DTC P0572 or P0573 | Brake Switch Circuit 1 Low Voltage/High Voltage |
| DTC P0575 | Cruise Control Switch Signal Message Counter Incorrect |
| DTC P0703 | Brake Switch Signal Message Counter Incorrect |
| DTC P1553 | Distance Sensing Cruise Control Signal Message Counter Incorrect |
| DTC P158A | Cruise Control Calibration Incorrect |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.