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Jeep Grand Cherokee PCM Module Replacement

160 messages,  Last post on Jun 02, 2013 at 12:25 AM

You are in the Jeep Cherokee and Jeep Grand Cherokee Forum.

What is this discussion about? Jeep Grand Cherokee, Jeep, Electrical, SUV

Messages Page 1 of 16

#1 of 160 PCM Module Replacement by dburden

Dec 29, 2006 (4:28 pm)

I have a 2001 Jeep Grand Cherokee and the dealership told me I need a new PCM Module (Power train Control Module) at a cost of ~$850 plus tax and labor. I found the part on the internet for $336 but is this something I can replace myself? The service manager said this is basically a computer module. If I can replace a power supply on a PC it seems I could replace a PCM. Any advice? Thanks.

#2 of 160 Re: PCM Module Replacement [dburden] by srtstp557

Apr 12, 2007 (8:02 am)

Replying to: dburden (Dec 29, 2006 4:28 pm)
I'm sorry but I can't help with your question, however, I was wondering what problem you were experiencing that you need to replace the PCM? When I am at wide open throttle in my 1999 JGC my guages go wacky and the headlights/instrument lights get very bright. I am told it could be a PCM problem but know nothing about it. This isn't the same problem you are having by any chance is it?
 
Thanks,
Ryan

#3 of 160 Re: PCM Module Replacement [dburden] by tuggajb

Apr 12, 2007 (8:30 pm)

Replying to: dburden (Dec 29, 2006 4:28 pm)
not to hard
located on pas side under hood on the fire wall behind coolent tank don't look to hard to change

#4 of 160 Re: PCM Module Replacement [dburden] by zdenneh

Oct 22, 2007 (7:28 am)

Replying to: dburden (Dec 29, 2006 4:28 pm)
Hi, I've basically got the same problem. I've been told by the Jeep dealership that I need to replace the Powertrain Control Module (PCM) which is going to cost me $900. I asked if there was a cheaper alternative and he said it's an internal short and there is really no alternative and that I can only buy this part through the dealer. This all started with my car being unable to start. It tries to start but will not turn over. He says the PCM tells the car its ok to turn over. Anyway, does anyone have any advice for me? $900 is a pretty heavy hit on me right now.
 
I really appreciate any advice on this. Please click on my username and respond to my email. Thanks!

#5 of 160 Re: PCM Module Replacement [zdenneh] by tidester

Oct 22, 2007 (10:17 am)

Replying to: zdenneh (Oct 22, 2007 7:28 am)
Please click on my username and respond to my email.
 
If we all went to email that would defeat the purpose of a Forum and deprive everyone else of valuable information!
 
tidester, host
SUVs and Smart Shopper

#6 of 160 Re: PCM Module Replacement [tidester] by zdenneh

Oct 22, 2007 (3:50 pm)

Replying to: tidester (Oct 22, 2007 10:17 am)
Oops! He's right. Please advise on forum.

#7 of 160 Re: PCM Module Replacement [zdenneh] by tuggajb

Oct 23, 2007 (1:20 pm)

Replying to: zdenneh (Oct 22, 2007 3:50 pm)
sounds as if starter relay
located on the pass side under hood in the fuse block under the cover cover should show which relay it is

#8 of 160 1993 jeep Grand cherokee PCM? by jeffwtuttle

Oct 24, 2007 (7:41 am)

I also was told my PCM was out so I bought a used one and it still didn't fix the no start problem. I have spark to the top of the distributor but not to the plugs. I thought it was the cap and rotor so I replaced them too and to no avail it still wont start? I did use and aftermarket cap/rotor so I got a OEM set. Any ideas? I took it to the dealer and they said the cam/crankshaft sensors were working. I was just going to throw money at it until it starts. I love my Jeep and wont let it die on me.
 
Please help me?

#9 of 160 Re: 1993 jeep Grand cherokee PCM? [jeffwtuttle] by tuggajb

Oct 24, 2007 (3:19 pm)

Replying to: jeffwtuttle (Oct 24, 2007 7:41 am)
if you have spark to top of distributor cap but none out remove cap have some one turn engine over and look see if roter is in fact turning

#10 of 160 trouble starting g.cherokee by trublsm

Oct 25, 2007 (4:45 pm)

key has to be left on for a while till some thing clicks then it starts

Messages Page 1 of 16

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