Is there a PCM function on a jeep?
Cranks but will not start, no PCM function. » Cranks but will not start, no PCM function. Cranks but will not start, no PCM function. I have a 1996 Jeep Cherokee sport. I have no communication to the computer with a scanner, no check engine light, no 5 v reference, no spark.
What happens if I Reset my Jeep ECM?
To finish off this post , here are a couple of things you should keep in mind. Resetting your Jeep ECM will not have any effect on your vehicle’s mileage, Resetting it should not cause any issues between your other module so feel free to this as many time as you want if you’re trying to diagnose a problem with your car. For good measure.
Where is the engine control module on a jeep?
The Jeep Engine Control Module, known as the PCM (Powertrain Control Module) ECU (Electrical Control Unit) or to simply it put the Automotive Engine Computer.
Why does my Jeep Cherokee have no spark?
I have no communication to the computer with a scanner, no check engine light, no 5 v reference, no spark. I have tried to manually pull codes with the key. The dealer says that it does not have an immobilizer by the VIN number. I have power and grounds to the PCM connectors.
What can jscan do for a Jeep Cherokee?
OBD JScan is powerful Jeep diagnostic application. JScan allows reading standard Diagnostic Trouble Codes (emission related), general Live Data and much more. JScan can access all modules avalable on your vehicle. ABS, Steering Column, Automatic Transimmsion, Radio, Sway Bar, Havac and many more.
Are there any problems with the 2014 Jeep Grand Cherokee?
Problems & Complaints. CarComplaints.com Notes: The 2014 (and 2015) Jeep Grand Cherokee have a serious defect trend of transmission complaints. Most of the complaints are for rough shifting — things like jerking & hesitation when shifting gears.
How to check engine light codes on Jeep Cherokee?
Jeep Check Engine Light Codes 1 Connect scan tool to the 16-pin data link connector (DLC) located near the steering column. The connector may have a removable cover. 2 Turn the ignition on. 3 Follow scan tool manufacturer’s operating instructions to access the Diagnostic Trouble Codes (DTC’s).
Why is my Jeep PCM not working properly?
If the problem was only with the scanner connection, the jeep would at least run normally. Now these 2 problems combined would lead to think that there is some electrical connection problem with the PCM. I would disconnect the battery and then disconnect and clean the PCM connectors with electrical contact cleaner.