Why does my Jeep Cherokee not start at all?
Why does my Jeep Cherokee not start at all?
The engine ecu needs to get a signal from one of the immobilisers to allow the vehicle to start if not it will start and run for 2 or 3 seconds then cut out. Does you car start at all? If it doesn?t it?s unlikely to be your immobiliser at fault. More likely it?s the crankshaft sensor. Does the dash all work, fuel gauge, battery voltage?
Is it normal for a jeep immobilizer to not start?
Is a wild fluctuation between .2 and .8 volts out of the ordinary for the bus wires. They all read the same, but you can watch the meter bounce all over under 1 volt. It still doesn’t start. Yes, it is normal for it to fluctuate like that.
Why does my Jeep Wrangler not start in winter?
Of course, it always happens when you least need it: the engine of your Jeep Wrangler won’t start. Your vehicle, which otherwise reliably gets you from A to B, often lets you down in winter. But why is that?
Why does the Jeep Grand Cherokee immobilizer not have voltage?
The Pink wire was not giving voltage to the immobilizer, as suspected. There was a break in that wire causing intermittent loss of voltage. We ran a new wire from fuse 7 in the junction block to the connector on the immobilizer and it now has voltage.
Why does my Jeep Grand Cherokee not start?
Jeep Grand Cherokee Overland Vehicle immobilizer problem… Jeep will not start. I… Jeep will not start. I have tried both keys in the ignition and both trip the vehicle immobilizer. I reset the system using the door lock cylinder and it trips immediately again. Cranks but will not start. Battery is fully charged. Relist: No answer yet.
When to reset the Immobilizer on a Jeep Grand Cherokee?
The system is activated when something other than an authorized key is used to try to start the engine. Most models are also equipped with an alarm system as part of the security system. If something triggers the immobilizer or the alarm system, you need to reset and rearm the system.
Why does my immobiliser on my Jeep not work?
When the ignition is turned on the radiator fan immediately starts working (even with a cold engine). The instruments do not behave in a normal way, none of the gauges are working – see the YouTube clip for what I mean. All of the cars other electrics seem to be working fine.
Of course, it always happens when you least need it: the engine of your Jeep Wrangler won’t start. Your vehicle, which otherwise reliably gets you from A to B, often lets you down in winter. But why is that?
