Question about 2003 Jeep Liberty

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P0340 Problem Code for 03 Jeep Liberty

We took our 03 Liberty in for the recall service on the airbag on Thursday. The dealership fixed it at no charge and we were on our way. A few days later, Monday, the oil light came on, the car immediately stalled and the entire dash board lit up. We had it towed to our house and looked up the problem code and P0340 came up. It starts up sporadically, but the engine won't stay on for long. Is it possible the dealership messed something up electrical that could have caused this when they fixed the air bag issue? The air bag recall issue was electrical too.

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  • Jeep Master
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Code p0340 refers to cam shaft position sensora bank 1-circuit malfunction===causes --wiring Cam sensor---ECM. The only connection is the ECM to both units so they may have unpluged the ECM to service the air bag problem. IT could be as simple as using a code reader to reset the CPU. I may also be a coincedence and there may be a fault in the cam position sensor.. I would discuss the matter with the dealer service department to determine what is what.

Posted on Oct 23, 2013

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Posted on Jan 02, 2017

Mikey108
  • 475 Answers

SOURCE: 2003 jeep liberty air bag light on is it easy to fix

The system needs to be checked for cades. Airbag codes are pulled out of the ECU with the use of a scanner tool. A good auto mechanic shop will have this or you can go to the dealer. YOU SHOULD NOT TRY TO REPAIR THIS YOURSELF,YOU COULD ACTIVATE THE AIRBAG!!!!!

Posted on Nov 11, 2008

jmeyer847
  • 185 Answers

SOURCE: P0340 code

This indicates that a problem was detected in the camshaft position sensor circuit. Since it says circuit, that means the problem could lie in any part of the circuit - the sensor itself, the wiring, or the PCM.

A code P0340 could mean one or more of the following has happened:

  • a wire or connector in the circuit could be grounded/shorted/broken
  • the camshaft position sensor may have failed
  • the PCM may have failed
  • there exists an open circuit
  • a crankshaft position sensor may have failed
With a P0340 Code diagnosis can be tricky at times. Here are some things to try:
  • Visually inspect all the wiring and connectors in the circuit
  • Check for continuity in the circuit wiring
  • Check the operation (voltage) of the camshaft position sensor
  • Replace the camshaft position sensor as required
  • Check the crankshaft position circuit as well
  • Replace circuit wiring and/or connectors as required
  • Diagnose/replace the PCM as required
The location of these 2 sensors vary. Usually they can be found on the back of the engine or on the transmission. I hope this gives you some direction. Thanks for using FixYa!

Sincerely,

JC

Posted on Nov 21, 2008

  • 142 Answers

SOURCE: airbag light stays on 2005 jeep liberty

It probably will cost a few bucks to get the code reset, but you don't need to go to the dealership, most shops with a good scanner equipped for air bag code reading will be able to diagnose and reset the light. The most probable reason for the code is the battery being dead for a while, there is a capacitor in the airbag circuit to make sure the airbag can go off in a collision even if the battery disconnects itself in the process. There is a slim chance it might be something else but either way the shop should be able to tell you what the problem is, and get it fixed... But, just for fun, before doing all this, i'd disconnect the battery for 30 minutes to an hour and reconnect it back, some systems do effectively reset themselves this way.

Posted on Jan 13, 2009

Mikey108
  • 475 Answers

SOURCE: i have a 2006 jeep liberty and three lights are staying lit and

You need to take the jeep to a dealer or a good mechanic who can retreive the codes out of the computer. You may have a module problem but I will not guess without knowing the codes.

Posted on Feb 11, 2009

  • 73 Answers

SOURCE: i have code P0320 and P0340 on my jeep liberty

P0320 Ignition Engine Speed Input Circuit malfunction

P0340 Camshaft Position Sensor Circuit malfunction

Posted on Apr 15, 2010

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Airbag light stays on 2005 jeep liberty


It probably will cost a few bucks to get the code reset, but you don't need to go to the dealership, most shops with a good scanner equipped for air bag code reading will be able to diagnose and reset the light. The most probable reason for the code is the battery being dead for a while, there is a capacitor in the airbag circuit to make sure the airbag can go off in a collision even if the battery disconnects itself in the process. There is a slim chance it might be something else but either way the shop should be able to tell you what the problem is, and get it fixed... But, just for fun, before doing all this, i'd disconnect the battery for 30 minutes to an hour and reconnect it back, some systems do effectively reset themselves this way.

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P0340 code in my Jeep Liberty 2002


Since a P0340 Could be either the Cam Position Sensor or The Crank Position Sensor they are obviously in 2 different spots, however they both either sit on the back of the engine or on the transmission bellhousing. Your Cam Sensor is at the top and your Crank Sensor is near the bottom.

Hope this gives you some direction. Thanks for using FixYa!

Sincerely,

JC

Nov 21, 2008 | 2002 Jeep Liberty

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2003 jeep liberty air bag light on is it easy to fix


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