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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSJEEP2009WRANGLER UNLIMITED SAHARA, 4WD, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISDTCS P2173 TO U1110 - NGC
2009 Jeep Wrangler Unlimited Sahara, 4WD, Automatic
DTCS P2173 To U1110 - NGC
2009 Jeep Wrangler Unlimited Sahara, 4WD, AutomaticSECTION DTCS P2173 To U1110 - NGC
- P2173-High Airflow/Vacuum Leak Detected (Slow Accumulation)
- P2174-Low Airflow/Restriction Detected (Instantaneous Accumulation)
- P2175-Low Airflow/Restriction Detected (Slow Accumulation)
- P2181-Cooling System Performance
- P2271-O2 Sensor 1/2 Signal Stuck Rich
- P2273-O2 Sensor 2/2 Signal Stuck Rich
- P2299-Brake Pedal Position/Accelerator Pedal Position Incompatible
- P2302-Ignition Coil 1 Secondary Circuit- Insufficient Ionization
- P2305-Ignition Coil 2 Secondary Circuit- Insufficient Ionization
- P2308-Ignition Coil 3 Secondary Circuit- Insufficient Ionization
- P2503-Charging System Output Low
- P2504-Charging System Output High
- P2610-Pcm Internal Shutdown Timer Rationality Too Fast
- U0001-Can C Bus
- U0002-Can C Bus Off Performance
- U0101-Lost Communication With TCM
- U0121-Lost Communication With Abs
- U0141-Lost Communication With IPM (FCM/TIPM)
- U0168-Lost Communication With Vehicle Security Control Module (SKREEM-WCM)
- U110A-Lost Communication With SCM (SAS)
- U110C-No Fuel Level Bus Message Received
- U110E-Lost Ambient Temperature Message
- U110F-Lost Fuel Volume Message
- U1110-Lost Vehicle Speed Message
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.