Can a GMC Safari ignition control module wear out?

The ICM can wear out over time and cause misfires. Sometimes the ICM is fine, but it overheats because there is not enough grease under it to help it dissipate the extra heat. This video shows you how to replace the ICM ignition control module on your GMC Safari or Astro van. It’s an easy job to do. The new ICM costs around $50. Loading…

Why does my GM car say no start no crank?

How to diagnose a no start no click on GM vehicle. If you have a late model GM vehicle and turn the key only to hear nothing, you’ll most likely think you have a dead battery—and you may. But a no start, no crank, no click condition can be far more involved than that.

How much does it cost to replace the ICM on a GMC Safari?

Sometimes the ICM is fine, but it overheats because there is not enough grease under it to help it dissipate the extra heat. This video shows you how to replace the ICM ignition control module on your GMC Safari or Astro van. It’s an easy job to do. The new ICM costs around $50.

Is there a way to reset the engine control module?

There are a few ways to reset your Engine control modules. One way is by disconnecting the battery cable for 2 to 3 minutes and waiting to see if the check engine light comes back on upon reconnecting the battery and start the car.

What are common reasons my GMC Safari won’t start?

What are common reasons my GMC Safari won’t start? While there are a variety of reasons your GMC Safari won’t start, the most common 3 are a dead battery, an alternator problem, or failed starter. How is a no-start diagnosis fixed?

How to check battery voltage in GMC Safari?

Remove the large 17 pin connector from the instrument cluster. Using a digital Volt/Ohm meter, measure the voltage from pin A13 to gnd with the ignition in run. The meter should read battery voltage. If the readings are less than battery voltage, or zero, repair the pink/white wire from the ignition switch.

Why is the fuel pump not working on my Astro?

The fuel pump, headlights, dome lights, and horn will not work on our 95 Astro. Everything else is getting power to our knowledge. We replaced the battery cable ends because they were corroded. We replaced a relay under the hood because it had black burned gooey stuff on it around the wire connector.

What’s the problem with my GMC Astro battery?

I took the battery in to AutoZone to have it checked, they say it’s good, but I’m having my doubts. It may be a blown fuse check the panel under the dash by the drivers feet.

What are the symptoms of a bad engine control module?

1. Check Engine Light Turns On 2. Engine Stalling or Misfiring 3. Engine Performance Issues 4. Car Not Starting 5. Poor Fuel Economy The engine control module (ECM), also commonly referred to as the engine control unit (ECU) or powertrain control module (PCM), is one of the most important components found on virtually all modern vehicles.

Why is my fuel filter not working on my Nissan Patrol?

even though car is only about 7 years old fuel hoses have gone hard and wire clamp not able to provide tight seal. replaced main fuel line to filter and changed to better clamps , no more issues. important to connect main fuel hose to diesel pump last prime and hold your thumb over end part to prevent air sucking back into filter.

What to do if your fuel filter wont start?

replaced main fuel line to filter and changed to better clamps , no more issues. important to connect main fuel hose to diesel pump last prime and hold your thumb over end part to prevent air sucking back into filter. as you squeeze bulb push onto diesel pump and all air should be expelled.

What happens if the engine control module fails?

If the ECM fails completely, it will leave the vehicle without engine management control, and will not start or run as a result. The engine may still crank, but it will not be able to start without the vital inputs from the computer.

What to know about a GMC Safari van?

Chevrolet Astro And GMC Safari Van Specific Discussion. Discuss the cabin from the headliner to the carpeting of your Astro or Safari van. Topics include door panels, and seat belts or the dash and carpet, trim, and seats. Talk about your center console, seats, door handles, upholstery, steering wheels or any other item in the cab of your van.

What do you need to know about a Chevy Astro van?

Talk about your center console, seats, door handles, upholstery, steering wheels or any other item in the cab of your van. Anything to do with the outer exterior of your van.

Where is the EGR screen on a Chevy Safari?

Also saw a site on the Van forum for a firm that makes an EGR screen to catch the carbon particles before they enter the EGR assembly, mounts on the base between the intake and EGR itself. There’s also a PROM update that the dealer has that cycles the EGR open at cruise, probably to allow carbon to blow out? Good luck!

What are the warning lights on my GMC Safari?

Well I took my van to the dealer yesterday due to an intermittent check engine light that illuminated when holding the coast in w/ cruise control set. The code was about the right and left banks running rich. The dealer replaced the MAP sensor due to the original was shorted (according to tech writing on service report).

Why does the service engine light come on on my Astro?

The reason the fuel additive works for a while (if I’m right) is because it temporarily cleans the injectors. I’ve never had this problem with my Astro, but have experienced it multiple times in other vehicles. The “Service Engine” light would come on because you’re giving the computer a misfire fault.

Can a GM ignition control module be used?

The ignition control module (ICM) and ignition coil tests in this article assume that your vehicle is Cranking but NOT STARTING due to a NO SPARK Condition. If you’re GM car or truck starts and runs, this article will not help you.

What are the wires in the ignition module?

The ignition control module (ICM) has 4 wires coming out of it. Below are the descriptions of what each circuit does. Each circuit is identified by a letter, and this is the same letter that you will find on the ignition module’s connector. Power (12 V) Circuit. Ignition Control (IC) Signal. Engine Ground Circuit. Switching Signal Circuit.