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Will code p1811 cause a no start in pontiac aztek...also makes a rapid clicking noise but no start?

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P1811 transmission 4-wheel drive low indicator short circuit to ground

Posted on Apr 09, 2015

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It sounds like loose battery terminals,discharged battery,loose starter motor contacts(U might need a hammer to tap the starter motor lightly),or bad starter motor relay

Posted on Apr 09, 2015


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Posted on Jan 02, 2017

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SOURCE: noise in car rear

The rear differential either needs versatrak fluid added or changed.
Located at the rear of the vehicle loosen the top hex bolt and stick your finger in if you don't feel any fluid add some. If you do feel fluid see what color it is. It should be clear if not then its time for change.
Versatrak fluid can be purchased at any GM dealer .You will need almost 4 bottles to do a full change.Once you have either added or changed the fluid do some circles around left and right and drive a few blocks then circle around again and your groaning noise should be gone!

Posted on Apr 05, 2009

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SOURCE: Aztek won't start

You will not get far with this without doing some testing. Check battery for 12v (lights draw far less than starter...,what appears as OK often is not) if battery is low, charge and load test it. Once verified as good you need to check that starter is getting voltage when key is turned to start.Check battery connections at both ends of main wires for clean/secure connections. Beyond that there are code tests and individual component tests outlined in most inexpensive manuals you can do with any decent digital volt/ohmeter (computer scan tool needed for code testing) Once started, use volt meter to check charging system.
Even if I was standing right there, I'd need to do testing...stuff costs way too much to guess your way through it. Good luck and feel free to ask if you have any specific questions.

Posted on May 20, 2009

  • 84 Answers

SOURCE: 2002 Pontiac Aztek - AWD disable light and Anti Lock Light

AWD disabled from a sensor unit in rear differential that senses high temp. This thing is over $300. Whine is from fluid. Need to change fluid. This versatrack fluid is about $40 per bottle and you need 3 bottles. Thumping noise is from loose rear knuckle bushings. These are part of the entire rear knuckle assy. and you must replace complete knuckle.

Posted on Jun 22, 2009

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SOURCE: pontiac vibe is making a clicking noise behind the

sounds like a blend door motor making noise to me.

Posted on Sep 05, 2009

  • 1 Answer

SOURCE: 2001 Pontiac Aztek power windows do not work when

Inside the door is a pair of rods, connecting a wire in a figure 8 pattern. There are four tiny little plastic tabs that surprisingly, break off fairly easily. I had mine break off when A GPS suction cup prevented the window from going down in auto mode and the window dropped into the door. Without those four plastic tabs, there is no way to connect anything and you have to get an entire new assembly for your window. You might be able to fabricate yourself some new ones, but if you can do that, then you're not on this site to begin with. The dealership wants an arm and a leg, but the unit is fairly self explanatory as long as you're comfortable taking your door apart and working on it yourself.

Posted on Jun 22, 2010

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CODE P1811

P1811 - Maximum Adapt and Long Shift Mode Chevy, Pontiac, Saturn, and Buick Front Wheel Drive Vehicles The P1811 code is one of the most common codes for transmissions in 1997-on GM front wheel drive vehicles. Symptoms of this code include a check engine light illuminated and harsh shifting. Cycling the key on and off may cure the harsh shifting until the criteria for the code is met once more. We are going to cover what causes the code to set and repair options.

Code Criteria
If a shift into any gear other than reverse and forward engagements takes longer than 0.65 seconds to complete, code P1811 will set. The Powertrain Control Module will then command maximum line pressure inside of the transmission, resulting in harsh shifting. The PCM will also command the check engine light or service engine soon light to be illuminated when P1811 is set. Basically, the PCM is sensing a slip, and is increasing line pressure to maximum in order to prevent the transmission from hurting itself further.
Repair Options
In 2002, GM release a technical bulletin for the P1811 code. See the bulletin by clicking this link The bulletin states that a mechanical problem in the Pressure Control (PC) solenoid, contamination in the valve body, or incorrect fluid level can cause the P1811 to set. Those problems could definitely cause a P1811, but what they failed to mention in the bulletin is, what exactly is the PCM looking for when setting P1811. It's looking for a slip of 0.65 seconds or longer to set the code. See So it's not as cut and dry as the bulletin makes it to be. A burnt clutch pack, stripped overdrive clutch hub, worn accumulators, worn valving especially the actuator feed limit valve, and just high mileage can all cause this code to rear its ugly head. All of which would require transmission disassembly to repair. Now I'm not saying that P1811 is going to require a major transmission overhaul every time a vehicle comes into the shop with the code. I'm saying that it is not always going to be as simple as just changing out a solenoid.
How to Know if a Solenoid will Repair the Problem
It is impossible to know for sure what the internal shape of a transmission is while the transmission is still in the car. The first thing to check is the transmission fluid. If the fluid level is low, add automatic transmission fluid (ATF) until full. Remember that transmission fluid needs to be checked while the engine is warm and running with the shifter in the Park position. After the fluid level is OK, drive the vehicle to your nearest People's Transmission certified shop to have it checked. If the fluid level was low, there is a leak somewhere that has to be repaired. The shop will then test drive the vehicle while monitoring data on a scanner that is communication with your vehicle's PCM. After that, the shop will most likely recommend a pan drop to see if any contamination is being produced inside of the transmission. If contamination in the form of clutch material or metal is present, then a solenoid replacement will be a waste of money. If the pan is clean, fluid is in decent shape, and the mileage is below 80,000 miles or so, then maybe a solenoid will fix the problem. The thing to remember is, if the shop recommends a solenoid, then they are looking out for your best interests. It still may not fix the problem, but from what they have seen during their checkout, a solenoid replacement is worth the gamble. If the shop recommends a transmission overhaul, ask them what they found that makes them think that is the only option.
Maybe this will help, good luck.OKI1IT

Jan 06, 2016 | 2008 Chevrolet Uplander

2 Answers

Why does my 2001 Pontiac Aztek crank but not start?

If you have a security light on your vehicle will not crank over !
The vehicle theft deterrent (VTD) system functions are provided by the theft deterrent control module. The VTD system prevents vehicle operation if a valid (learned) transponder PASS-Key?®III (PK3) ignition key is not used to start the vehicle. The theft deterrent control module has an exciter that is part of the theft deterrent control module as an assembly. The PK3 key has a transponder embedded in the plastic head of the key. The exciter is an antenna which is made up of wire coils which surround the ignition lock cylinder. The PCM enables the engines starter and fuel delivery system when it receives a valid (learned) password from the theft deterrent control module via the class 2 serial data circuit.
You need to take it to the dealer !

Apr 11, 2015 | Pontiac Cars & Trucks

1 Answer

Will code P1811 cause a no start on a pontiac aztek....when key in ignition and turn to start it makes a rapid clicking noise doesnt start

Yes something shorted to ground. P1811 transmission 4-wheel drive low indicator short circuit to ground

Apr 09, 2015 | Pontiac Cars & Trucks

1 Answer

My 2001 pontiac bonneville has code p1811 is it serious

That's a manufacture code

Have to Google it

2001 Pontiac Bonneville OBD2 P1811

Mar 27, 2013 | Cars & Trucks

1 Answer

I have a 2007 pontiac grand prix and its giving me a code p1811 do I have to rebuild my transmission

I put 2007 Pontiac p1811 into google ,I suggest you do that

There are many sites that will explain the possible causes

You probably will have no idea what your reading, but you want
to know

It is very technical & I would be concerned

I'am afraid if you never change your fluid every 3 years
that you may have caused some issued

There is a long list of how the system works,too
much to type for you & way too technical

Nov 14, 2012 | Cars & Trucks

1 Answer

Car won't start. Makes a rapid clicking noise when ignition is in start position

The rapid clicking noise is caused by low battery voltage, you eiother have rub the battery down or the battery is defective or the battery cables are loose or corroded

Dec 20, 2010 | 2004 Pontiac Grand Prix

1 Answer

2001 Aztek....won't start. When trying to start,

A rapid clicking noise in a GM starter is a sign of insufficient power going to the battery. Make sure all your connections have bare, shiny metal to metal contact. Do a "load test" on the battery. It may show enough power on a voltmeter only to fail when it is forced to produce it. On a load test it shouldn't drop below 10.5 -12 volts and it should bounce back to near 14 when the load is off. Check the ground strap between the engine and body and the ground at the battery.
If everything is good I would replace the power cable from the battery to the starter. I've had a few of them that looked good but the car wouldn't start until I replaced the cable. Hope this helps.

Apr 25, 2010 | 2001 Pontiac Aztek

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