2011 jeep grand cherokee 5.7 crankshaft position sensor location

Joined Sep 15, 2020

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2 Posts

Discussion Starter · #1 · Sep 15, 2020

Hey guys recently purchased a 2010 jeep grand Cherokee with the 5.7. It was giving codes p0014 and p0016 crankshaft position camshaft position correlation bank 1. I replaced the cam sensor and the crank sensor and changed the oil. Erase codes and drive it around it does great as soon as I pull back in and turn off the car and restart it the CEL comes back on and the jeep loses a lot of power. Its giving codes p0016 and p000B- camshaft position slow response. I dont get why it will have good power when you reset the codes but after restarting the car itll throw the light and start performing poorly. Any help would be great! Do you have to do something to relearn the crank position or cam position on these hemis?

Joined Dec 29, 2009

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2,203 Posts

Welcome to the forum. A couple things come to mind. Did you have the cam/crank sensors synchronized? In some cases this must be done and requires a scan tool with the capability to run the sync. routine. On some vehicles, you can get away without syncing them. I don't remember the tolerance, but I know mine on all three of my Hemi's are somewhat less than one degree different. If you're not aware, these sensors are two of the most critical to engine management and help (with inputs to the PCM) control fuel injector pulse rates, timing and so on.

Have you checked the routing of the wiring for both, all the way from each sensor to the PCM? Make sure all connections are secure and clean and there are no breaks, chaffing, grounded or shorted wiring. When you replaced the sensors, did you insure the areas around the mounting bolt were clean and free of debris.....proper grounds?

Whatever you do, make sure you troubleshoot everything completely and don't just keep replacing parts. Worst case scenario and last resort (not too common though) is that your PCM is bad. A good scanner should be able to detect this though.

Joined Jan 12, 2021

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5 Posts

Welcome to the forum. A couple things come to mind. Did you have the cam/crank sensors synchronized? In some cases this must be done and requires a scan tool with the capability to run the sync. routine. On some vehicles, you can get away without syncing them. I don't remember the tolerance, but I know mine on all three of my Hemi's are somewhat less than one degree different. If you're not aware, these sensors are two of the most critical to engine management and help (with inputs to the PCM) control fuel injector pulse rates, timing and so on.

Have you checked the routing of the wiring for both, all the way from each sensor to the PCM? Make sure all connections are secure and clean and there are no breaks, chaffing, grounded or shorted wiring. When you replaced the sensors, did you insure the areas around the mounting bolt were clean and free of debris.....proper grounds?

Whatever you do, make sure you troubleshoot everything completely and don't just keep replacing parts. Worst case scenario and last resort (not too common though) is that your PCM is bad. A good scanner should be able to detect this though.

I am having a similar issue with my 2011 Overland with the 5.7 Hemi.

Joined Jan 12, 2021

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5 Posts

I am having a similar issue with my 2011 Overland with the 5.7 Hemi.

After replacing the Cam sensor twice the local dealer said the sensor must be replaced together with the cam phaser. Didn’t work for my situation but may work for you.

Joined Dec 29, 2009

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2,203 Posts

Yours is different that the early Hemi's because of the Variable Cam Timing (VVT). I am not that familiar with the VVT's, but I can tell you that the cam phasers plays into this too and, since you've already replaced both sensors (and hopefully they sync'ed them), maybe your issue has something to do with the phaser and its operation. What are the DTC's showing on yours?

Joined Jan 12, 2021

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5 Posts

Yours is different that the early Hemi's because of the Variable Cam Timing (VVT). I am not that familiar with the VVT's, but I can tell you that the cam phasers plays into this too and, since you've already replaced both sensors (and hopefully they sync'ed them), maybe your issue has something to do with the phaser and its operation. What are the DTC's showing on yours?

I don’t have the codes available right now but it is always the same one “cam sensor #1 bank. They replaced the sensor and phaser on the 3rd try with the Same result. 4 week no problem then slowly started getting the same error once each morning 1 mile from the house. But never more than once per day.

Joined Dec 29, 2009

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2,203 Posts

I'll bet their next try will be to replace the PCM/TCM. That will be expensive, so be sure they've exhausted all avenues......check wiring, plugs/plug pins, etc., before you let them do this.

Are you sure they replaced the phaser? They have to pull the front of the engine apart to access it. That would have been costly also.

Joined Jan 12, 2021

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5 Posts

I'll bet their next try will be to replace the PCM/TCM. That will be expensive, so be sure they've exhausted all avenues......check wiring, plugs/plug pins, etc., before you let them do this.

Are you sure they replaced the phaser? They have to pull the front of the engine apart to access it. That would have been costly also.

I didn’t watch them but they are a very reputable garage and they say they did. The estimate was $2,200 and they did it under warranty because they replaced the engine 2 years ago and I was still covered.

What are the symptoms of a failing crankshaft position sensor?

Symptoms of a Bad or Failing Crankshaft Position Sensor.
Issues Starting the Vehicle..
Intermittent Stalling..
Check Engine Light Comes On..
Uneven Acceleration..
Engine Misfires or Vibrates..
Rough Idle and/or Vibrating Engine..
Reduced Gas Mileage..

Where is the crank crankshaft position sensor located?

It can usually be found mounted to the timing cover. Sometimes it may be mounted at the rear or the side of the engine. Sometimes the crankshaft position sensor measures the speed of the clutch flywheel to determine the speed of the crankshaft.

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