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.
2025 Jeep Compass LimitedFACTORY OEM SERVICE PROCEDURE
2.0L - DTCS P2AF5 To U0102
- DTC Troubleshooting
- P2AF5 Starter Relay 3 Stuck On
- P2AF6 Starter Relay 3 Stuck Off
- P2AF7 Starter Relay "D" Control Circuit/Open
- P2AF8 Starter Relay "D" Control Circuit Low
- P2AF9 Starter Relay "D" Control Circuit High
- P2B95 Cold Start Injection Pulse Performance
- P2C90 Crankcase Ventilation System - Hose "A" Disconnected
- P3032 Barometric Pressure Sensor Performance Plausibility
- U0001-00 Can C Bus
- U0101-00 Lost Communication With TCM
- U0102 Lost Communication With Transfer Case Control Module / AWD
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.