Sep 30, 2015 · This article applies to the Jeep Grand Cherokee WJ (1999-2004). The computer in any vehicle controls so many of the functions these days, that a computer problem could …

Feb 5, 2018 · Jeep Cherokee Forum Technical Discussion Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here Where is the ECM located on a 2001 Jeep Cherokee Sport ?

Aug 27, 2015 · This article applies to the Jeep Cherokee and Jeep Grand Cherokee (1984-2004). The Electronic Control Unit (ECU) stores in its memory the information specific to your Jeep, …

Sep 1, 2015 · Jeep Cherokee 1984-1996: How to Replace PCM PCMs are important and when they fail, they're expensive to replace. There's no reason to pay even more just to have the …

Dec 2, 2013 · To test your Jeep PCM (specifically JTEC and JTEC+ PCMs used in 97-04 TJs), follow these steps: 1. **Check Power Input:** Verify battery voltage (12V) is reaching the PCM …

May 16, 2009 · Jeep Cherokee Forum Technical Discussion Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here Wiring Diagrams!!!!!!!! Stock XJ Cherokee Tech. All XJ …

Dec 28, 2021 · The original poster asks if a 1995 Jeep Cherokee 4.0 ECM with an automatic transmission will work in a 1995 Jeep Wrangler 4.0 with a standard transmission. One user …

Apr 10, 2023 · If your Jeep YJ (specifically a 1992 2.5L model) is experiencing a no-spark issue potentially related to the Automatic Shutdown (ASD) relay, and you've already replaced …

Oct 12, 2012 · An alternative to repair is to source a used PCM from a reputable Jeep parts vendor, ensuring it matches the vehicle's year, model, and transmission type. Jeep Wrangler …

May 28, 2019 · The P0688 code indicates a problem with the PCM monitoring the ASD relay. The ASD relay provides power to the fuel injectors and ignition coils when the PCM wants the Jeep …