P161 code on 2012 jeep - 2008 Jeep Compass

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https://www.edmunds.com/jeep/wrangler/2012/long-term-road-test/2012-jeep-wrangler-resetting-the-oil-change-monitor.html

Code No U0170 Left front impact sensor communication error

I'm looking at the code book and ALL codes are 4 digit codes, EX POO56, POO57 and PO161. If these are What you are getting, they all are codes for the left and right hand oxygen sensors. Could be wiring, Sensor itself or ECM

Have it cleared by a computer system.

Look in the Chilton manuals or ask your local parts dealer. Be sure the engine is cold when changing them.

Amazon com chiltons jeep repair manual

Spark plug location on 2012 jeep grand cherokee

Spark plug location on 2012 jeep grand cherokee

Battery changes can mess with a computer's settings. (I've had it happen to mine!) Restart car and wait 1-15 min. and see if codes persist.

Hi there:
DTC P0456 trouble code which refers to Evaporative Emissions System, check HERE additional details to test.

CAR NO START PROBLEMS:-----

It can be the issue with weak battery or faulty battery or if battery is ok,then its faulty starter causing the issue.

From start to end troubleshooting these problem i suggest you to click the link below and follow its procedure:-----

What to Do When Car Turns Over But Won't Start?

http://technoanswers.blogspot.com/2012/11/what-to-do-when-car-turns-over-but-wont.html

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Feels like backfire from engine when decelerating?

http://schematicsdiagram.blogspot.in/2012/02/feels-like-backfire-from-engine-when.html

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Jeep Backfires?

http://technoanswers.blogspot.in/2012/02/jeep-backfires.html

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Nissan Pathfinder Backfires?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-backfires.html
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Car starting issues?

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

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Car Starting Problems

http://whoisbyme.blogspot.in/2012/06/car-starting-problems.html

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1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

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1994 Toyota Pickup: Starts fine but dies in few seconds?

http://howtobyme.blogspot.in/2012/05/1994-toyota-pickup-starts-fine-but-dies.html

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1999 Chrysler Cirrus: 8 IGN Fuel Starter Fuse Blows?

http://whatisbyme.blogspot.in/2012/06/1999-chrysler-cirrus-8-ign-fuel-starter.html

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2001 Toyota Camry: No start After replacing Battery?

http://whatisbyme.blogspot.in/2012/05/2001-toyota-camry-no-start-after.html

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1989 Toyota Pickup Truck: Turns over but not start?

http://whatisbyme.blogspot.in/2012/05/1989-toyota-pickup-truck-turns-over-but.html

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Car dead and will not Start?

http://whatisbyme.blogspot.in/2012/05/car-dead-and-will-not-start.html

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1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

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2001 Toyota Prius will not start?

http://whatisbyme.blogspot.in/2012/05/2001-toyota-prius-will-not-start.html

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1996 Jeep Grand Cherokee: Engine will not start?

http://repairhelpcenter.blogspot.in/2012/06/1996-jeep-grand-cherokee-engine-will.html

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Mitsubishi will not start

http://www.howtorepairguide.com

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These will help.

Thanks.

Change the sensor.

bank 2 is passenger side, sensor 2 is Post cat (After) more and likely the sensor is extremly dirty, or failing (Either one requires a replacement, they are not cleanable)