Hello

I’m getting these trouble codes. Does this mean I need to replace the catalytic converters?

for the P0915 I might try to clean the J shifter and see if that fixes it.

I’m a new owner so I don’t know much about these cars. Any advice would be greatly appreciated.

Thanks
Max






Trouble codes

 

The 420 and 430 codes are O2 sensor codes, just do a search in this forum for fixes HEED THE ADVICE TO ONLY BUY OEM SENSORS. The cheaper (particularly Asian ones) hardly ever work.

https://www.jaguarforums.com/forum/x...d-p0915-73820/

https://www.jaguarforums.com/forum/x...x-fault-71330/

https://www.jaguarforums.com/forum/x...-fault-206869/

 

Thanks Dell

 

Larry posted recently a nice link - and on that link I followed the path to your P-codes:

the first 2:
https://charm.li/Jaguar/2005/X-Type%...0Charts/P0420/

the third one:
https://charm.li/Jaguar/2005/X-Type%...0Charts/P0915/

 

Seconded to Dell on using Denso OEM o2 sensors, I found out the hard way even using quite expensive non OEM ones.

 

I didn't want to read all the links above, but if those say "replace the knock sensor first", I concur that that is a good idea.

 

Thanks guys.

I was looking at the P0915 issue and I don’t even know how to do the test that is described. Is there a diagram somewhere so I can figure out what this stuff is? What is TR? Where is the connector JB156 to test the resistance?

I was driving the Jag the other day and it started to lurch, as if the transmission was shifting hard. It would do that at random times. I was worried it would break down on me. I tried shifting into 4 then 3 and finally 2, just to see if there was any difference. It seems to do it no matter what gear I’m in. Then I was at a red light and the engine shut off. I shifted into P, started the engine, shifted into D and drove away (guy behind me honked) sorry buddy, my engine shut off.

Have to figure out this P0915 code and get it fixed. Hopefully that will resolve the weird lurching issue.


Any advice is greatly appreciated.

 

https://www.justanswer.com/jaguar/86...nsmission.html


Post #71

https://www.jaguarforums.com/forum/x...t-14563/page4/

 

Thanks Dell. I will remove the battery and the tray. I will then locate the TR (Transmission Range) sensor and follow the P0915 troubleshooting instructions. Hopefully I can find out what the issue is.

 

Does anyone know where is the TR and the JB156 connector?

I found it I think. I just wanted to make sure. The test said to check for continuity between pin 01 and 08. But it looks like there is only 6 wires on the TCM side so the sensor side would not have pin 08

TR sensor

 

JB156 is a 10 way connector with pins 3 and 4 unused.
You are being prompted to check between pins 1 and 8 of that connector (1 = Yellow wire and 8 = Black wire)

 

Thanks H2O

the range sensor is good.

where is JB131? I need to test that next.

is there a wiring diagram I could look at?

thanks

 

I took the J-gate shifter out and found a broken piece.

 

Do you guys know where I can find a J-gate shifter?

 

There is a forum member Dr Dome that is parting out several X-types.
Might pay to look him up and send a personal message (PM) to see what he may have on hand.

The broken plastic looks like it is the glass reinforced injected plastic.
Not easy to repair but the good thing is there is a lot of webbing in the body of that part, so you could grind some of that out, rough up the remaining smooth surfaces and then lay in some epoxy embedding something like a cut down nail to bridge across the break to give the part some extra strength.

As for the schematic, you could go to jagrepair.com and download the schematic for your year.
Bear in mind that production changed in 2005, so depending on the production date of your car you might be earlier or later production run.

 

Thanks H2O. I sent him a message.

I still need to probably complete the troubleshooting process for the P0915 code.

But I’m pretty sure that the new shifter will fix it. The Transmission Range sensor is good.

Unless the TCM is bad… not sure.

The procedure to test the wires calls for unplugging the TCM connector JB131. It’s just hard to get to because it’s under the dash behind the fuse box.

thanks
Max

 

TCMs can get affected by some water ingress that finds its way in from the heater air intake then follows the loom down to the TCM.
The scuttle drains can get filled with debris and that allows water to pool and come in through the cabin filter into the heater ducting.

Get your replacement J Gate in and if you have additional problems it might be worth then pulling the TCM, opening it and seeing if there is a small amount of corrosion starting to grow on the internal connector leads that go from the TCM socket to the internal PCB.
Probably not worth checking that unless you are still hunting problems and whether you are aware of instances where you have noticed water wetting the footwell carpet.

 

https://www.ebay.com/itm/37516070643...MaAvEyEALw_wcB

https://jaguarcarparts.com/products/...-9x-437k004-bc
1X43-7K004-BC
1X43-7K004-BE
Or
1X43-7K004-BF

Which is better than just the part which is crazy cost =

 

Thanks Dell.

damn. $120. I might need the whole shifter because it’s still causing the P0915 code.

I’ve been looking at eBay and there are some out there. Would a 1X43-7K004-AC shifter work to replace a 1X43-7K004-AE?

Thanks,
Max

 

The only thing i.m.o. you would need to be sure of is whether your existing one has/doesn't have the DSC button. Contrary to some posts in this forum, there are individuals that state after 2005 +/- ALL had DSC. Mine is a pretty high optioned (at purchase) 2006 and does not have DSC although it IS equipped (per window sticker) a Traction Control option.