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2006 PONTIAC MONTANA DTC C0040

I HAVE A 2006 PONTIAC MONTANA SV6 WITH ABS DTC C0040 MY SCANER SAYSS REAR WHEEL SPEED SENSOR SUB FAULT- I READ THIS IS NOT IN THE REAR WHEELS ITS A PROBLEM WITH THE RF HARNESS POSS INTERNAL WIRE BROKEN. AND GM HAS REPAIR KIT FOR $90.00. THE LIGHT WILL COME ON WHEN STARTING AND STAY ON, I CAN TURN OFF THE KEY AND RESTART AND THE LIGHT WILL STAY OFF. I JUST GOT BACK FROM A 1000 MILE TRIP WITH THE VAN AND LIGHT WOULD STAY OUT MOST OF THE TIME JUST TURN OFF KEY AND RESTART. THANKS FOR ANY HELP YOU CAN GIVE ME MY NAME IS JIM AND I AM A RETIRED AUTO TECH.

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: real right turn signal light - Pontiac Montana SV6 2005

If the 2005 Montana is similar to the 2001 Montana, I have a solution. First you'll need a hexagonal wrench (the 6-sided L-shaped wrench). The tail light assembly is held on by two screws. You'll need the hexagonal wrench to remove them, because a normal screwdriver won't do it. I also had to use a conventional adjustable wrench to get the leverage to turn the hexagonal wrench, because the screws were in there pretty tight. Once you remove the two screws, the whole tail light assembly should come off. Mine required a little force and I had to play with it a bit, but it came off without a lot of work. There will be one set of wires that connects the tail light assembly to the rest of the minivan--try not to damage that set of wires. Once you get the tail light assembly off, you'll have to take apart the assembly that actually holds the lights. No tools should be required. It's held on by four plastic catches. Just undo the catches (easier said than done, but still not too tough) and it comes apart. Then you can pop out the old light and pop in the new light. Then re-assemble. For me, it went back together much easier than it came apart.

Posted on Jan 03, 2009

  • 7 Answers

SOURCE: 2005 Pontiac SV6 Montana key fob unlocks doors but will not lock

For the sliding doors you need to clean the contacts, there are 6 or 8 on both sides, just wipe them clean as they are probably covered in oil/grease/grime.

Posted on Feb 14, 2009

  • 32 Answers

SOURCE: Where is the fuse box for a 2006 Pontiac Montana

on the driver side under the dash or the side by the door jam

Posted on Apr 02, 2010

  • 5 Answers

SOURCE: 2006 Pontiac montana SV6 power sliding door sensor

I have a 2006 SV6 with the power sliding doors. The problem that I found was with the contacts on the door ( They are called plungers) the movable pins were losing connection with the fixed part The plunger is very easy to replace if you can find one. The plungers are covered with a rubber cover and is held in place with 2 plastic pins. My Pontiac dealer could not even find one in his books or even a picture of one, and claimed that he had never had anyone come with a door problem. My Chevy dealer said that it came with a wiring harness that is not needed for $154. The cure that I came up with was to take the plunger block apart (it snaps together)and replace the rusted out springs then solder 3" wires to the end of the plunger pins (they solder easy) to the tabs that go to the plug(pop out the tabs or you will melt the plastic. It took about 45 min. now the doors work like new and will never loose contact again

Posted on Aug 02, 2010

  • 1 Answer

SOURCE: Our 2006 Pontiac Montana started displaying a

I had a similar problem with my 2006 Montana. It ended up being the foam shield donut looking thing that stops the parking brake cable from hitting against the middle of the rear axle. Fixed it with foam plumbing insulation and electrical tape. Better than new. Hope this helps.

Posted on Oct 26, 2011

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2 Answers

On grand prix2006 code C0040 which weel is that my computer tell me rear but no side


It is the right front (RF) ABS sensor that this codes corresponds to nothing to do with the rear.. Are you using a GM TECH 2 scanner? If not that is the problem.

Nov 22, 2016 | Cars & Trucks

1 Answer

Abs light goes on & then off


Wire chaffed or cut at the VSS wheel speed sensor (hub)

Nov 05, 2013 | 2006 Pontiac Montana SV6

1 Answer

02 montana abs pump comes on running 55 with no brake applied or abs lite


the problem is front wheel speed sensor. to check witch side .you have to know voltage of speed sensor at 20kmh steady. ex, left side read 800mv right side read 330mv then the right side is defect for example.

Aug 04, 2013 | 2006 Pontiac Montana

1 Answer

Service ABS and traction control systems is displayed in my 2005 pontiac montana sv6. New breaks have been installed and lights and system still on. Scanned and shows no sign of sensor issues


well this is a sensor problem. just cause you didnt get a fault code dome mean that the sensors are ok. Remove the abs Fuse from the fuse box under the hood. Drive the car and get a feel for the braking. Replace the fuse and drive again, you will notice one or more of the wheels dont hold as it fast or faster than the rest. Replace that sensor.

May 07, 2011 | 2005 Pontiac Montana SV6

2 Answers

Just bought a 2006 Pontiac Montana SV6. The dash display said, "check traction system" and "check stabilization system," so we bought it "as is," to fix it ourselves. Our...


the check stabilization problem sounds like ur ride control meaning ur air shocks in rear leaking or faulty compressor. traction control is possiblt an erratic reading from one of ur 4 abs sensors/or rings,anyhow u need to get ur computer system scanned for a more accurate fault description and possibly fault codes which will b very important in solving ur issues. good luck

Apr 27, 2011 | Pontiac Montana SV6 Cars & Trucks

1 Answer

ABS service light is intermitantly coming on


you have a sensor per wheel, you need a scaner to read each wheel speed.one not working.

Feb 21, 2011 | 2005 Pontiac Montana SV6

1 Answer

I get shaking when i brake but when the abs service light comes on it dose not shake


Most likely when the ABS light is on,the system is turned off,don't know

I would go over the brakes real good, as I have zero faith in professional repairs,and then work on the ABS Code
Most likely a Wheel Speed Sensor

Nov 07, 2010 | 2005 Pontiac Montana SV6

1 Answer

I pulled the codes and here they are : C0036, C0035, C0040


Sounds like you need front wheel speed sensors. Replace the wheel bearings and sensors. May have an ABS unit fault, but more likely is both wheel bearings/speed sensors.

Jun 10, 2009 | 1999 Dodge Ram

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