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 XT5 BaseFACTORY OEM SERVICE PROCEDURE
Automatic Transmission Range Select System - DTCS
RANGE SELECT SYSTEM DIAGNOSTIC TROUBLE CODE IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B2A00 | Door Open Switch Signal/Door Ajar Switch Signal/Driver Door Open Switch Circuit Not Plausible |
| DTC C1280 | Electric Park Brake Availability Status Message Counter Incorrect |
| DTC P073D, P073E, P07E4, P07E5, P1769, or P1789 | Transmission Range |
| DTC P07B3-P07B5 | Transmission Park Position Switch 1 Circuit |
| DTC P07B9-P07BB | Transmission Park Position Switch 2 Circuit |
| DTC P07BE or P17F3 | Park Button Switch 1-2 |
| DTC P082A-P082F | Transmission Range Selector X-Y Position Sensor 1 Circuits |
| DTC P089B-P089D or P08A0-P08A2 | Transmission Range Selector X-Y Position Sensor 2 Circuits |
| DTC C1201, P16F4, P173A-P173F, P174B, P1771, P178B-P178E, P17AA, P17AC-P17AE, P17B1-P17B9, P17BA-P17BF, P17CF, or P17D5 | Transmission Range Control Module/Backup Park Lock Actuator/Transmission Range Selector Shaft Position Sensor |
| DTC P174C | Transmission Range Control Module Wheel Speed Signal Message Counter Incorrect |
| DTC P174D or P17AB | Transmission Range Control Module Range Not Learned/Programmed |
| DTC P1772, P1773, P1775, or P1778 | Powerflow Engaged/Internal Mode Switch State/Transmission Range Request/Transmission Range Availability Signal Message Counters Incorrect |
| DTC P1774 or P177A | Range Motor Position/Backup Park Lock Actuator Status Message Counters Incorrect |
| DTC P1787 or P17C8 | Unexpected Range Change Detected/Transmission Range Control Module Range Motor Command Performance - Protection Mode Active |
| DTC P17A3-P17A5 | Transmission Shift Interlock 1 Circuit |
| DTC P17A6 or P17F4 | Transmission Shift Interlock Switch 1-2 Not Plausible/Transmission Shift Interlock Switch Circuit 1 or 2 Stuck On |
| DTC P17A7-P17A9 | Transmission Shift Interlock 2 Circuit |
| DTC P17CB | Hybrid Charging System Park Request Signal Message Counter 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.