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 MANUALSJEEP2009WRANGLER X, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMDTCS P1697 TO P2172 - NGC
2009 Jeep Wrangler X, Automatic
DTCS P1697 To P2172 - NGC
2009 Jeep Wrangler X, AutomaticSECTION DTCS P1697 To P2172 - NGC
- P1697-EMR (Sri) Mileage Not Stored
- P1897-Level 1 Rpm Bus Unlock
- P2072-Electronic Throttle Control System - Ice Blockage
- P2096-Downstream Fuel Trim System 1 Lean
- P2097-Downstream Fuel Trim System 1 Rich
- P2098-Downstream Fuel Trim System 2 Lean
- P2099-Downstream Fuel Trim System 2 Rich
- P2100-Electronic Throttle Control Motor Circuit
- P2101-Electronic Throttle Control Motor Performance
- P2107-Electronic Throttle Control Module Processor
- P2110-Electronic Throttle Control - Forced Limited Rpm
- P2111-Electronic Throttle Control - Unable To Close
- P2112-Electronic Throttle Control - Unable To Open
- P2115-Accelerator Pedal Position Sensor 1 Minimum Stop Performance
- P2116-Accelerator Pedal Position Sensor 2 Minimum Stop Performance
- P2118-Electronic Throttle Control Motor Circuit
- P2122-Accelerator Pedal Position Sensor 1 Circuit Low
- P2123-Accelerator Pedal Position Sensor 1 Circuit High
- P2127-Accelerator Pedal Position Sensor 2 Circuit Low
- P2128-Accelerator Pedal Position Sensor 2 Circuit High
- P2135-Throttle Position Sensor 1/2 Correlation
- P2138-Accelerator Pedal Position Sensor 1/2 Correlation
- P2161-Vehicle Speed Sensor 2 Erratic
- P2166-Accelerator Pedal Position Sensor 1 Maximum Stop Performance
- P2167-Accelerator Pedal Position Sensor 2 Maximum Stop Performance
- P2172-High Airflow/Vacuum Leak Detected (Instantaneous Accumulation)
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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.