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Search: Posts Made By: Waterluvr
Jeep Forums: WJ Grand Cherokee Forum   Today, 06:24 AM
Replies: 8
Views: 141
Posted By Waterluvr
I see lots of high mile Jeeps with 150K plus on...

I see lots of high mile Jeeps with 150K plus on the original sensors still running with no codes or stored pre-code history but they generally run and perform poorly.

Changing them generally...
Jeep Forums: WJ Grand Cherokee Forum   06-28-2020, 06:27 PM
Replies: 9
Views: 381
Posted By Waterluvr
The Elite or Pro Maxisys can with current...

The Elite or Pro Maxisys can with current software packages, none of the lower line tools can.

Dorman offers a Chrysler / Jeep FOB programmer for less than a hundred bucks with a new remote if...
Jeep Forums: WJ Grand Cherokee Forum   06-28-2020, 03:09 PM
Replies: 9
Views: 381
Posted By Waterluvr
The DRB from Miller tools is antiquated at this...

The DRB from Miller tools is antiquated at this point, the modules were designed with more diagnostic functionality built into it than the DRB was able to access and current tool makers have taken...
Jeep Forums: WJ Grand Cherokee Forum   06-28-2020, 05:23 AM
Replies: 5
Views: 223
Posted By Waterluvr
Your bus hub and associated circuits has...

Your bus hub and associated circuits has something going on or the pcm is on it's way out. I'd get in there with a meter and start checking continuity between the major data modules starting at the...
Jeep Forums: WJ Grand Cherokee Forum   06-26-2020, 07:55 AM
Replies: 9
Views: 381
Posted By Waterluvr
BCM's will scan and show codes in the module or...

BCM's will scan and show codes in the module or specific related wiring circuits. You won't need programming to pair a BCM on the WJ series if it requires replacement source it from the same year and...
Jeep Forums: WJ Grand Cherokee Forum   06-24-2020, 04:50 PM
Replies: 10
Views: 448
Posted By Waterluvr
Have the body module scanned for trouble codes, a...

Have the body module scanned for trouble codes, a failed module will exhibit this and the scan will identify problems in any of the wiring circuits.
Jeep Forums: WJ Grand Cherokee Forum   06-23-2020, 06:01 PM
Replies: 18
Views: 557
Posted By Waterluvr
You should have seen resistance on those IAC...

You should have seen resistance on those IAC circuits right away when the connector was pulled, that is suspect.

Sending the current pcm won't solve any issues, need to match the part number...
Jeep Forums: WJ Grand Cherokee Forum   06-23-2020, 04:50 PM
Replies: 18
Views: 557
Posted By Waterluvr
Resistance is just a little higher than normal,...

Resistance is just a little higher than normal, but they are pretty even those numbers look good. It's easy to condem the IAC drivers in a pcm when you get 3 of them that are in the 116 range and one...
Jeep Forums: WJ Grand Cherokee Forum   06-22-2020, 06:03 PM
Replies: 18
Views: 557
Posted By Waterluvr
Ok Don thanks for the info, here's a quick check...

Ok Don thanks for the info, here's a quick check for the IAC harness and the four driver circuits in your pcm that control that IAC stepper motor.

First, disconnect the plug from the back of the...
Jeep Forums: WJ Grand Cherokee Forum   06-22-2020, 02:54 PM
Replies: 18
Views: 557
Posted By Waterluvr
Guys I can reflash a pcm for you if you find...

Guys I can reflash a pcm for you if you find there is a problem with the idle air control drivers (bad IAC and ignition drivers are the #1 cause for pcm failure I see when I replace them).
...
Jeep Forums: WJ Grand Cherokee Forum   06-22-2020, 06:31 AM
Replies: 12
Views: 582
Posted By Waterluvr
I worked on one last week with similar issues, it...

I worked on one last week with similar issues, it came in on a wrecker after a DIY front and rear brake job and for whatever reason they had removed the master cylinder as well. All in they did a...
Jeep Forums: WJ Grand Cherokee Forum   06-19-2020, 03:19 PM
Replies: 1
Views: 149
Posted By Waterluvr
The MaxiCheck won't do it, Autel's original...

The MaxiCheck won't do it, Autel's original Maxidas 708 did it with the V6.33 or 7.11 Chrysler software, and the MS 908 or MaxiSys Elite will handle ABS bleeds.
Jeep Forums: WJ Grand Cherokee Forum   06-18-2020, 07:38 PM
Replies: 18
Views: 778
Posted By Waterluvr
A common 12V temp gauge won't work on the WJ...

A common 12V temp gauge won't work on the WJ unless you go to an expensive new pan from someone like PML and pay additional $$ to have them machine a bung for a temperature sensor and gauge.

You...
Jeep Forums: WJ Grand Cherokee Forum   06-17-2020, 01:23 PM
Replies: 18
Views: 778
Posted By Waterluvr
They do all have the trans temp data available...

They do all have the trans temp data available for a high end OE level scan tool to monitor on a live data feed but keep in mind the 4.0's run the tcm through a board internal to the pcm and the...
Jeep Forums: WJ Grand Cherokee Forum   06-16-2020, 03:29 PM
Replies: 18
Views: 778
Posted By Waterluvr
Depends on the model of WJ for specific wire...

Depends on the model of WJ for specific wire color and location, but either the 4.0 or 4.7's will both allow the data to be read through the data link connector directly from the pcm.

Kolak ~Is...
Jeep Forums: WJ Grand Cherokee Forum   06-16-2020, 03:26 PM
Replies: 18
Views: 778
Posted By Waterluvr
There are lots of voltage signaled gauges out...

There are lots of voltage signaled gauges out there you can program ranges of operation code into using a programmer and soic connector cable. Your basically telling it X volts = Y temperature value....
Jeep Forums: WJ Grand Cherokee Forum   06-16-2020, 05:55 AM
Replies: 18
Views: 778
Posted By Waterluvr
So I'm in the WJ to head out to the shop and...

So I'm in the WJ to head out to the shop and before I forget I wanted to show you guys how the temperature data works in a WJ pcm in terms of temperature range and voltage values.

This is a pic...
Jeep Forums: WJ Grand Cherokee Forum   06-15-2020, 11:54 AM
Replies: 18
Views: 778
Posted By Waterluvr
I've installed that gauge on WK Hemi's pricey but...

I've installed that gauge on WK Hemi's pricey but worth the coin it has all kinds of programmable function's if you really want to do something out of the ordinary and blows away most low and mid...
Jeep Forums: WJ Grand Cherokee Forum   06-15-2020, 08:24 AM
Replies: 18
Views: 778
Posted By Waterluvr
WJ's use ISO 9141 ~sort of. Honda and Toyota...

WJ's use ISO 9141 ~sort of. Honda and Toyota really got it right, Chrysler had a bunch of data collision issues with their bus design on some of the body control modules. The 0/1 logic voltages are...
Jeep Forums: WJ Grand Cherokee Forum   06-11-2020, 04:46 PM
Replies: 15
Views: 881
Posted By Waterluvr
I do have a pcm saved back for you I knew you...

I do have a pcm saved back for you I knew you were probably going to need it.

Now that you have those O2 sensors handled why don't you send me an email with your VIN number and mileage and I'll...
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