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2012 jk 2.8crd p0706 fault code

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Old May 9, 2024 | 12:55 AM
  #1  
Penny67's Avatar
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Joined: May 2024
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From: Spain
Default 2012 jk 2.8crd p0706 fault code

Hi guys,

​​​​​​Newbie jeep owner and looking for some help.

It's a 2012 jk 2.8crd diesel with a 6 speed manual transmission.

Car runs and drives fine, no check engine light, took her for the annual test and they check the ECU codes, it came up with a p0706 error, so failed.

Doing some research and this seems to relate to transmission range sensor on an auto, but my car is a manual, and I can't find any info relating to this code on manual cars.

​​​​​​Garage reset the code, drive around the block, check again and it's back.

Just checked now with the key on/off test and no codes showing, just dashes and then done.

​Can anybody offer any advice please?

Many thanks

Last edited by Penny67; May 9, 2024 at 01:14 AM.
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Old May 12, 2024 | 03:19 PM
  #2  
RLT's Avatar
RLT
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Joined: Jul 2009
Posts: 351
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From: Newcastle-upon-Tyne,UK
Default

That's crazy.
Yearly MOT test in UK just tests the exhaust smoke on the Diesel. ( mines a 6 speed manual 2007)
This must be one of those EU directives to make it more difficult to own a private vehicle.
I would check to see what wiring / connectors there may be linked to the manual box that may be an issue
Would changing the gear box oil make a difference I wonder ?
Could it be the ECU is programmed to look for the sensor, ( as most Wranglers are auto's) with it not being there registers the code in the memory anyway and is irrelevant to the running of the engine ?
I've never used a code reader on mine so wouldn't know if such a code would appear.
Have you checked it out with an official JEEP dealership ?
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