2001 Grand Cherokee WJ 4.0: Replacement ECM/PCM (engine computer) notes
Here are some replacement ECM/PCM (engine computer) notes:
- 2001 Jeep Grand Cherokee WJ 4.0L 4WD - Mileage when repaired=172.8 (7.2K miles ago) - Repair date=04/13/17 (18 months ago) Symptoms: - On the road: - Lost all gauges while driving (~5 miles and at 40 mph). All gauges swiped across once like at key on, then no gauges. - Turned it off, it did restart, drove it home. Diagnostics: - Step #1: attach the code reader - Result: could not connect to computer - Step #2: disconnected the battery to reset computer - Results: dash displayed lost sentry key communication. Car would start & run for 3 seconds & auto shutdown. Cause: - ECM/PCM (engine computer) failure Repairs: 1) ECM/PCM (engine computer): - Replaced OEM part#: Mopar P56041784AC; Motorola SN:09A1000R3774; Module:TEM2650R3774 - Replacement part#: remanufactured 56041784 - All Computer Resources, https://store.allcomputerresources.com/ - Re cost: - On 12/17/18: the price is $239 via their website and on Ebay - On 04/13/17: the price was $148+$7 shipping via Ebay on 04/13/17. - Lifetime warranty - Re ordering & handling: (refer to their website) - Purchase and receive a replacement remanufactured ECM/PCM from them - Ship your old ECM/PCM back to them in their box https://cimg9.ibsrv.net/gimg/www.che...5bb7d6adfa.jpg 2001 JGC 4.0L 4WD, replaced ECM/PCM, OEM Part#: P56041784AC... this picture displays the ECM/PCM front side https://cimg4.ibsrv.net/gimg/www.che...962059290d.jpg 2001 JGC 4.0L 4WD, replaced ECM/PCM, OEM Part#: P56041784AC... this picture displays the ECM/PCM back side https://cimg0.ibsrv.net/gimg/www.che...692a29c1e4.jpg 2001 JGC 4.0L 4WD, replaced ECM/PCM, OEM Part#: P56041784AC... this picture displays the ECM/PCM mount location on the passenger side firewall behind the coolant overflow/reserve tank |
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