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.
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HOMESERVICE MANUALSJEEP2009COMPASS LIMITED, ED3, FWD, AUTOMATIC CVTREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMDTCS P2017 TO P2123 (GAS)P2108-ELECTRONIC THROTTLE CONTROL MODULE PERFORMANCEDIAGNOSTIC TEST
2009 Jeep Compass Limited, ED3, FWD, Automatic CVT
Diagnostic Test
2009 Jeep Compass Limited, ED3, FWD, Automatic CVTSECTION Diagnostic Test
- VACUUM OR AIR INDUCTION LEAK
- Inspect the Air Cleaner assembly, hoses and tubes for any leaks or obstructions.
- Inspect the throttle body and air intake system for any vacuum leaks.
- Verify that the air cleaner duct work is properly attached to the throttle body.
Were any problems found?
Yes
- Repair as necessary.
- Perform the PCM Verification Test. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
No
- Go To 2
- DTC IS ACTIVE NOTE: If any other DTCs are set, they must be diagnosed and repaired before continuing this test.
RENDER: 1.0x
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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.