VZ Commodore No Crank No start

make sure handbrake on and gear is in neutral or park.
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very common issue with vz commodore ecu failure. tips and tricks to diagnose and start the engine.
Tools I use on regular basis
Micsig Automotive Oscilloscope Handheld Portable
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Test probes and leads
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Power probes
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Injectors return flow tester
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Cylinder leak tester
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Oil extraction pump
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Power Probe 5 Volt Adapter
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Electrical Power Probe Kit
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Car Key Induction Signal Detection Card
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120A 14V Automotive ECU Programming Dedicated Power Supply
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Resistance Box Iron Variable Decade Resistor Resistance Box 0-9999.9 Ohm
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Fuel Line Hose 7.89/9.89/11.8 Coupler Quick Release Connector
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Diesel Common Rail Pump high Pressure tester
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AIR CONDITION Pressure Gauge Refrigeration Digital
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Automotive Smoke Machine
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Smoke Machine Quick Intake Adapter Intake Bladder for Smoke Leak Detector
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fuel injector/fuel pump tester, 5 basic testing modes, frequency and width pulse of injector
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Pressure Pulse Sensor
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16 Pin OBD-II Protocol Detector & Break Out Box
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4pcs Hantek HT306 6 Channel 6 Way Universal Breakout Leads for
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Hantek CC-650 Meter Multimeter Current Clamp AC/DC w/ Oscilloscope BNC Connector
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Hantek CC-65 AC/DC Current Clamp
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2 pcs Hantek HT201 20:1 Passive Attenuator 300V Max For Pico Hantek & Others
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3 IN 1 Hantek Handheld Oscilloscope Digital Multimeter Tester Waveform Generator
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Automotive Cable Wire Tracker Short & Open Finder
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Handheld Thermal Imaging Camera
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Adjustable Spark Plug Tester
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Autel MK808TS Scan Tool TPMS OBD2 Diagnostic
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4PC Autel MX-Sensor 315MHz 433MHz 2 in 1 Tire Pressure TPMS Sensors Programmable
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AUTEL TS601 TPMS Sensor Tyre Pressure Sensors Programmable
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Autel MaxiTPMS TS401 TPMS Diagnostic & Service Scan Tool Tyre Sensor Pressure
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scan tools
autel elite ebay.us/vW8cXo
autel ultra ebay.us/d9F1oT
Launch ebay.us/qJkfj6
Autel 906 ebay.us/lT9ygs
Autel MaxiFlash Elite J2534 ECU Programming Tool Pass-Thru
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HT25COP Coil-on-Plug and Signal Probe Test Engine Ignition Waveform
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[@aliwillis6084]

Legend! Far out! I mean out of sight mate! Thought I was gonna have to ask for my money back as I'd only done 2k on the odometer -legend, worked immediately! I saw a spark and she was up and running! Legend!

[@aliwillis6084]

I had exactly the same error codes as per you video -I knew that there was heaps of fuel in her and now fuel-o-meter reads as expected! Cheers again stoked!

[@a1mechanicaloakey639]

Glad I could be of some help. Thank you

[@MrErad2008]

Thanks again. Worked like a charm. Was worried wouldn't get home with all the error messages including service e vehicle soon, power train error and fuel gauge error. And also gears would slam down real hard when slowing down and also a vibration running throughout the car. But I got home. Thanks again. 😊👍

[@adrihsp]

Conseguiu resolver?

[@michaelbelden4205]

Thankyou for sharing this. I was going out of my mind trying to find out what was going on with the intermittent no starting of my vz👍

[@Antipodean33]

huge thanks mate for not only showing me how to start my VZ 1 tonner but also for making the effort to upload this info and help noobs like me out. Cheers ya champion

[@michelleacton2120]

Thank you , this worked first time for me. Now I know what to fix. You are truly a honest legend !!

[@stackoslots]

Had the same problem and try this after watching and it worked! Awesome how to video - keep them coming

[@neilgrayson1723]

Thanks legend I bought a POS VZ wouldn't start the other day and this is exactly what was wrong with it. Thanks again

[@nicholasmcloughlan7197]

For anyone where this is not fixing the issue, try wiggling the connection to the starter motor, sometimes the connection goes bad. This fixed it for me after this video did not work.

[@gardenwaster]

Great tip, also love the multigrips holding up the bonnet when gas struts fail :)

[@a1mechanicaloakey639]

Gotta save that brain 😂

[@shaneoreo4362]

Dude you are a legend 👏 , awsome hack . Might just hookup a Start button from inside the cab to the relay 🤣

[@johnellis329]

Thank you so much it saved my ass today bloody legend 👌👏👍

[@cliffholley1404]

Thanks for sharing mate worked a treat

[@richardhamilton1533]

I have a 6L VZ ute, turn key and cranks.. sometimes it doesn’t fire, then second turn of key it’s all sweet. Have replaced ecu before it’s one thing after another atm haha

[@clickonmike]

This happened to me. I removed PIM, BCM and ECU. Sent them away to get reprogrammed. Cost me $700 as I live 1700 km's from perth. Learned later I could've swapped these out from a wrecked VZ for $400. No matter it fixed the problem.

[@kyliegray3406]

I did same. cost me $1600. However no issue was found with the modules, and the intermittent start issue remains..

[@BB-cg2ss]

Thanks worked like a charm

[@krispela9626]

Had this exact issue yesterday but my fix after trying this was simply pull the electrical wire plug off the starter motor then put it back on . Another tip ...

[@jeromymckay3121]

Your a legend thanks mate 👍 🙌 🙏

[@fluidstack2836]

Thank you so much for sharing!

[@luketaplin5505]

i put a switch in under the dash and connected it to the ignition relay,just remember to start it in park

[@joogled3177]

Good tip to start, Im having the same issue with a VY, what did it cost for a new computer?

[@MCFace07]

Lifesaver! Cheers!

[@MrSprocket2u]

had the same issue , replaced the starter relay noprobs . its not always the ecu .

[@a1mechanicaloakey639]

Working on cars is like opening mystery box.

[@aussiebattler96]

Thanks man. I bought a vz wagon 2 years ago and am having this issue with it. It just sat in the back for ages. Could it be just dirty or corrosion causing the issue too? Battery went flat on me driving it today and just won’t even run now as I need to replace that so maybe that could also cause the problem?

[@buddy366]

Legend! didn't have to pay for a tow truck because of this

[@a1mechanicaloakey639]

Cheers Bando

[@buddy366]

Seriously Thank You, i was stuck at work scrolling videos for a fix found this, saved the day

[@a1mechanicaloakey639]

My pleasure. Please subscribe for more awesome videos.

[@buddy366]

Have done, will defs keep up with the content

[@abdalraoufbalbesi6688]

Thank your for this life saving video I have tried your method and it starts But changing the ECM will fix the problem? If it will what should I consider when looking for ECU ( used ) Can I just swap and everything will work Or I have to change BCM ...etc ? Thank you in advance

[@a1mechanicaloakey639]

All modules needs replacing or programming brand new blank ecu

[@mattcameron9492]

Great informative video . My car came up with the very low fuel alarm aswell . It had about half a tank of fuel . I could still drive and has started everytime since . I fuelled it up and the alarm hasn't gone off again, Could this be a problem that could arise again ?

[@a1mechanicaloakey639]

If the car wasn't starting when you had that issue and everything else I showed, more than likely it will get worse with time.

[@MrConspark]

You probably need a new fuel tank sender/pump module

[@traviskoprivcic1358]

Thanks mate your a bloody lege d

[@jamesthebond0072]

Mine is very similar to this, but it will turn over and even make like a metal ting sound and then it randomly starts out off no where literally I just got stuck at a petrol station because I did it to me and then I put some fuel in and I just randomly started lol

[@_donksrevvinords4453]

Thanks very much for sharing your experience and wisdom on the vz issues I have a vz Calais that has the same problems ie won’t crank I tried bridging the start relay and it cranks but doesn’t fire Can’t hear fuel pump prime after having someone turn key on and off 12 times I brought ECU PIM BCM and key head from a working Calais but no change after fitting Could it be fuel pump? I brought the car from pickles auctions with light front damage Have checked all wiring and fuses etc Any help would be appreciated

[@a1mechanicaloakey639]

I don't know your level of knowledge and skill. So many things can cause a no start. But start with spray some start ya bastard into the air intake and crank to see if it tend to start. If it does you have two issue. Injector not turning on or fuel pump. Now you do need a test light at least to check injector. If it's a 3.6 litre then injectors are under the manifold but the wiring plug is at accessible at the rear of engine but you need to know what you checking. Same with the fuel pump, you need to get to pump and check for power and ground as someone is cranking.

[@_donksrevvinords4453]

Thanks very much for your advice I will check over tomorrow and see how I go I’ll let you know Regards Dan

[@_donksrevvinords4453]

I also think it’s possible that the second hand ecu pim etc may have not been working the person did assure me it was but if I bridge start relay it should fire I assume?

[@rayman7959]

Hey m8 I have vz commodore. I've had the same problem with the car not starting when ignition turned to crank and the dash has the same fault codes showing up and I had tried your trick but all heard was the ecu itself ticking and the dash would turn off after a couple of tries of trying to turn the engine.

[@a1mechanicaloakey639]

Battery dead

[@rayman7959]

@@a1mechanicaloakey639 I will try it with another battery that I have.

[@rayman7959]

@@a1mechanicaloakey639 thanks m8 that was the problem.

[@jmakatoahotmailconz]

Hey mate great video! What is the issue if the car just makes 1 tic noise when you try turn it over? Is that the same issue and does it need the same solution ie new computer?

[@a1mechanicaloakey639]

Starter motor, loose wire at the starter, loose battery terminal, weak battery, seized engine, may be ignition switch but I doubt it These are most likely the issue with yours.

[@midnightrunner5351]

I am having the same problem, did you find a solution to fix it ?

[@jmakatoahotmailconz]

@@midnightrunner5351 I just got the starte motor and spark plugs replaced aye sorted it out quite fine 🔥

[@skellygaming3855]

VZ Commodore will not turn over to start not fuel not immobilised not ignition crank angle replaced car has been recoded but will not turn over starter good

[@shellodee]

There's a few videos that suggest a fuse or 2 may need replacing for the no start issue.

[@FuManchu5ltr]

It’s not always the ECU.

[@richardhamilton1533]

What else? I replaced ecu and only sometimes it won’t start usually after second try it will fire

[@supersix3801]

I have a V8 VZ doing the same thing. Will the jumping trick fix it also??

[@a1mechanicaloakey639]

I don't think so

[@otakuj4987]

will the reset ecu solve the problem

[@enokangatai9263]

Mean bro 👌

[@Jakkiebascos]

Hi, I have the same problem with a Holden commodore 2005 v8 5.7l. Saw that you saw that it should be the ECU so I got one refurbished and programmed to the VIN, replaced it but the problem still persist. What could be wrong with the car?

[@a1mechanicaloakey639]

Need more information on excatly what the symptoms are.

[@jaydenphilp898]

My vz ss ute 5.7L has the same issue, I relocated the ecu from the engine bay to the inside of the car and I swapped my ss cluster for a vz club sport cluster aswell, everything is plugged in but car won’t turn over and can’t hear the fuel pump prime or anything happen in the engine bay. Tried bridging the starter and fuel pump and still wouldn’t fire, I’m stuck now and I wouldn’t have a clue on what to do

[@ALLOFTHEBOOST]

@@jaydenphilp898 any luck yet. My vt doing same crap.

[@jaydenphilp898]

@@ALLOFTHEBOOST yeah mine had an aftermarket alarm system which placed relays and fuses between the ignition barrel and the bcm, so once the relay and fuse blew there was no communication between the ignition and bcm, I eliminated the alarm system and it’s all good now

[@ALLOFTHEBOOST]

@@jaydenphilp898 oh true. I'll have to have another look. Mines a vt clubsport. And this is doing my head in. Like scan tool isn't even picking stuff up.

[@skiddermadnessnewzealand2148]

How can we keep it starting all the time

[@leonardclarke103]

Have the same codes on the dash and no start no crank. When I try this method it wants to start and cranks but doesn’t fire up. I’ve tried turning the key off and on a fair few times but still nothing. Any ideas?

[@PhoKingOff247]

Following I have the same problem!

[@zachooton6036]

feel like this could be stupide question but could this cause the motor to seize up completely feel like this could be the problem for me as it just lost power the day i brought it was driving down the highway i didn't thrash it or anything well anymore than u would a car your gonna buy

[@a1mechanicaloakey639]

Seized motor is not related to this video. If you suspect seized motor grab a 19 mm spanner or socket wrench and turn the crank shaft at the balancer. Please make sure the key is out of the ignition before you do this. If motor turns easily with hand then it's not seized motor.

[@zachooton6036]

@@a1mechanicaloakey639 thanks aha well shit ive done that and no movement got me spun out there was no loud bang no nothing it just lost power now the cunt is seized

[@a1mechanicaloakey639]

I would say lack of maintenance by previous owner. And I have seen plenty of cases like that. Sorry about that.

[@zachooton6036]

@@a1mechanicaloakey639 hey man about to rip that motor out wondering if you would have any tips for attempting to unseize

[@a1mechanicaloakey639]

Nothing but big long socket wrench put some pipe extension and wank it both direction with key off. If it doesn't move then something majorly bent internal. Just gotta drag skull the torque converter to seperate engine if not.

[@full_metal_everything6929]

hi mate pllllls help me plss i have holden vz 2006 5.7 V8 This problem occurred suddenly and without any reason and I did not do anything to the car,, And when it happened, it became difficult to start the car, as you will see in the video in the link,,, And when the car is running, the fuel indicator meter does not work, the engine temperature indicator meter does not work, and the cruise control does not work,,Also the air conditioner is not working,,, I drove my car to several electricians, but no one knows why,, One of the electricians gave electricity directly from the battery to the starter, and the car started quickly and without any problem,,,Then he gave electricity directly from the battery to the compressor, then it started,, And they are all exposed on all fuses and relays everything is woring good,,, Relays and fuses have been replaced and the same problem has not changed,,They all checked the ground wires and they are all good,,,important note The car's fans are working very normally and also the petrol pump is working normally, the problem is only in the difficulty of starting the engine and also the fuel indicator and the temperature of the engine and the air conditioner and the cruise control, all of them happened at the same time instagram.com/p/CqJhnKNOFY8/ this is the video of my car turn on the sound, I connected a wire from the relay to the negative of the battery to be able to start the car is theres anyway to contact with u pls😣😣😣😣😣😣

[@a1mechanicaloakey639]

Send it to me and I will fix it. Sounds like a headache but I will need the car to properly test can't ready do much over the text or calls

[@kyliegray3406]

I have a 2004 VY SS Commodore with an intermittent start issue. Will crank but not turnover. Fault code suggested slip ring, but have replaced slip ring and key and issue remains. Also had ALL modules removed and sent to injectronics in Melbourne. No issue was found with modules/computer. Any suggestions?

[@a1mechanicaloakey639]

First figure out you missing spark, fuel, or injector control.

[@kyliegray3406]

@a1mechanicaloakey639 can hear furl pump engage when you turn key. Roadside assist and mechanic tested spark plug and said there was spark. I've asked about injectors but dont think they've been tested

[@a1mechanicaloakey639]

Have you taken it to a mechanic shop? Injector controls needs to be testes with test light while cranking. If that's missing then may be of immobiliser issue.

[@a1mechanicaloakey639]

Also swap engine control relay with good known relay too. They common to go bad.

[@kyliegray3406]

@@a1mechanicaloakey639 has to been to a couple of different mechanics. They do not like being asked to run specific tests, nor give great feedback on what has or not been tested. Injector control test I have asked about, but noone has done. Not an immobiliser issue

[@powerinnumbers6159]

is there an average kms travelled that they tend to go on these?

[@a1mechanicaloakey639]

I've seen various KMs on them but mostly after 15000 km

[@aaronwilliams9098]

I'm getting all the faults near same shit won't start or tick. Tried the starter no luck..now it seems fuses r heating up? Have i fucked the relays? Electrics now r all over the shop..no lights ect. Dash flashing dim..ecu cooked aswell as relays??

[@michaelmckay277]

What can I use instead of a split pin?

[@a1mechanicaloakey639]

Someone who knows what they doing lol

[@rascal19800]

Would this work with a 2004 vy?

[@a1mechanicaloakey639]

No 👎

[@shanerusbatch9197]

is this the same with the ve sidi v6?

[@a1mechanicaloakey639]

I don not think so.

[@matthewkangaroo1]

35sec intro is a bit excessive..

[@MrMaori101]

Tried ur method still didnt work have no fault codes

[@MrMaori101]

Turns over but wont start relay trick didnt work

[@austinthemaster5010]

@@MrMaori101 starter or battery then

[@austinthemaster5010]

@@MrMaori101 if it turns over keep trying or have someone inside flooring the throttle

[@hazelpigeon9470]

It's alloytec burn it haha