Do Jeep Grand Cherokees have a lot of electrical problems?
Most common Jeep Grand Cherokee problems The Grand Cherokee has more than a quarter of all the Jeep complaints, with 3,000 across all model years. In all these years, the worst problem category has been electrical problems.
Why does my Jeep Grand Cherokee have no power?
If there is no power, the problem is between the battery and relay. If there is power at the relay, have a helper hold the key in the start position. There should now be power to a second terminal. If there is no power, the problem is in the ignition switch or with the security system.
Why does my Jeep Grand Cherokee start on fire?
Jeep Grand Cherokee starting problems can also be attributed to a failed alternator. In some cases, the alternator is simply shorted and the problem can easily be fixed. However, models from 2012 through 2014 may be fitted with a faulty alternator that may catch on fire while the vehicle is being driven.
What do I need to know about my Jeep Grand Cherokee?
A wiring diagram for the vehicle is a major help for harness problems and for computer related problems. All components that require high amperage will have a relay between it and the switch. The higher the draw or amperage necessary to operate a component the larger the wire.
Why is my Jeep Grand Cherokee stuck in neutral?
A faulty brake transmission shift interlock solenoid caused vehicles to be stuck in ‘park’ or ‘neutral’ despite shifting gears. The malfunction was due to a manufacturing error that resulted in the part having a loose electrical connection. The 2014 and 2015 Jeep Grand Cherokee also suffered from similar transmission problems.
Are there any problems with the Jeep Grand Cherokee?
Although performance and reliability reviews for the automaker’s more recent offerings are somewhat positive, the Grand Cherokee remains one of the most problematic Jeep models because of the electrical issues that plagued its earlier model years.
What to do if your Jeep Grand Cherokee has no power?
If there is power at the relay, have a helper hold the key in the start position. There should now be power to a second terminal. If there is no power, the problem is in the ignition switch or with the security system. If there is power, install the relay and check the main power at the starter large terminal.
A faulty brake transmission shift interlock solenoid caused vehicles to be stuck in ‘park’ or ‘neutral’ despite shifting gears. The malfunction was due to a manufacturing error that resulted in the part having a loose electrical connection. The 2014 and 2015 Jeep Grand Cherokee also suffered from similar transmission problems.
Why do the lights go off on my Jeep Grand Cherokee?
The symptom is that the all the lights and gauges on the dash cluster go on and off erratically and sometimes stay off for a few minutes. This also includes the A/C system. As the gauges go off so does the A/C fan. I have taken the Jeep to the dealer now going on 5 or more times and quite frankly, they are stumped.