2005 Volkswagen Touareg electrical problems

Filed Apr 28, 2026 · Electrical · CA

My OBD port cannot be read. It will not communicate, or I cannot communicate with the vehicle using any OBD reading software. Myself or my mechanic. This is a major safety concern due to several reasons. Most importantly, I'm being told that it can affect, or it's probably caused by, electrical problems that are well known on this particular model and year for this maker. Something's wrong with it, where it's either being shorted somewhere, or for whatever reason, because it's not communicating. It's caused the vehicle to shut off randomly, sometimes it will allow you to restart, and then sometimes it will not. And this is a cause of concern if and when I drive on the highway.

Filed Aug 31, 2023 · Electrical, Transmission · MN

Due to a leak in either the sunroof or the windshield water continuously drips down every time it rains onto the floorboard of the driver side of this vehicle, creating a sopping wet floor board that has 2 inches of water, which in turn soaks the whole electrical system for this vehicle. I mean the water continuously drips from the time you purchase this vehicle until forever I guarantee that anybody who has a v8 version of the 2005 Volkswagen Touareg has a sopping wet driver, side floor board! The water never has a chance to dry, especially in colder climates Mine went into limp mode due to this electrical system, failing. VW MECHANICS told me I needed a whole new engine w! When I did my research and I found out that this is very common on this model, and if there are some wires that inevitably get corroded from all the water that ruins the electrical system underneath the driver side floor board, and therefore the wires become corroded and severed which creates a real problem for the electrical system to function

Filed Feb 20, 2023 · Electrical · CA

After doing major research with other owners of like year and model I have discovered that i'm not the only one that is experiencing headlight electronics or headlight electrical system within the headlight assembly frying the electrical wires, cracking the brittle wire coating and exposing many of the electrical wires together within the housing unit of the headlight Assembly. This caused many short circuits Headlights Shutting off at random times but most importantly shutting off at night on a dark highway. Depending on the bumps and bruises of the streets would cause the Wires to touch each other and short circuit. Although this is a 17-year-old vehicle but I've never experienced electrical components being degraded this much For like Like age of any vehicle.

Filed Oct 11, 2018 · Electrical, Fuel system · 128,000 miles · FL

When I get gas for my touareg 2005 I'll shut the SUV off pop open the fuel box door and put the gas in then as I put cap back on shut door get in the SUV I try to start the SUV but it seems as if the cars either out of gas or battery has died so after the first like say 4-6 times of this happening to me I tried to leave the car running as I put the gas in the SUV in hopes of it still remain on and running but sure enough the suvs battery light will pop on and the car will lose life but the lights and stuff still remain on but no driving happening so I'd have to turn the key off then try and start it up again but as I turn the key I'll have to pump the gas peddle a bunch to catch the flow I guess

Filed Oct 1, 2018 · Body, Electrical · 104,000 miles · GA

Tl* the contact owns a 2005 volkswagen touareg. The contact stated that each time it rained, water accumulated on the front driver side floor through the front driver side door. The vehicle was taken to an independent mechanic where it was diagnosed that the wires on the front driver side floor were corroded and needed to be replaced. The contact later called stone mountain volkswagen at (678) 367-4286 (located at 3500 stone mountain hwy, snellville, ga 30078) and was informed to schedule an appointment. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 104,000.

Filed Sep 5, 2018 · Electrical, Fuel system · 139,000 miles · CA

Overall life of car have had to replace the majority of the hoses in the engine, the fuel line, the emergency brake release leavor-3 times, the horn on the passenger and drivers side. And with the recall the gas flange - cracking. The product vw uses in this vehicle is inferior- plastic expands when hot and contracts when cold= cracking. Please recall this vehicle due to the potential of the gas flange or whatever else is related to the gas before anyone in my family or others die. Or my cas goes up into flames causing severe trauma- especially because you already know there is a problem. We have paid thousands of dollars in repair costs in this vehicle that vw of america will not help - the entire enterrier plastic coating to the vehicle has melted - the drivers side visitor hangs as the spring action or what ever it's called is broken. We have owned many cars, fords, toyota's, honda's and several vws. The touareg and all of primary safety features should always function safely-the gas issue is a major issue that should automatically be a recall to save lives!

Filed Aug 27, 2015 · Airbags, Electrical · 104,098 miles · VA

I am the owner of a 2005 vw touareg which recently had the air bag warning light come on and stay on. I took the touareg to a volkswagen dealer where I was charged $104.48 for a diagnostic test. The diagnostic test provided the stored fault code of 01218, front side passenger airbag ignitor upper limit exceeded, thus recommending replacement of the airbag wiring harness for $320.00 estimate. It is my understanding that this is a known manufacturers defect that vw addressed with the federal safety agency by a touareg service pack/customer satisfaction campaign in late december 2006 where vvv replaced the subject defective harnesses at no expense to touareg owners. The vw assistant service manager informed me that according to the vehicle records this replacement was not performed on my touareg. Please advise why this defective airbag wiring harness was not replaced during this campaign. Based upon my concern as a safety and health professional, and my review of the information and files available from the federal safety agency concerning the previous investigation of this problem in 2006, I believe that vws failure to continue to correct this problem needs to be addressed by the federal safety agency for consideration of reopening of this investigation. As stated in the odi resume for investigation: pe 06-022, subject: SRS warning light illumination, .the agency reserves the right to take further action if warranted by the circumstances. I expect the federal safety agency will request data from vw on how many vw touaregs have reported, or been diagnosed with this problem since 2006, and how many owners have paid vw or other repair facilities to replace these air bag wiring harnesses and related equipment. The touareg service pack/customer satisfaction campaign in late december 2006 where vvv replaced the subject defective harnesses at no expense to touareg owners was an action taken at that time to avoid a recall. Reconsider!

Filed Feb 13, 2015 · Electrical, Lights · 74,218 miles · NJ

Both left and right headlights failed and would not operate in low beam mode. Upon inspection, I noted that the insulation for the wiring inside each headlight unit was brittle, cracked and in some cases the insulation had fallen completely off. This caused both headlights to ground out and fail, potentially hazardous during vehicle operation and a potential fire hazard.

Filed Jan 22, 2015 · Electrical, Engine · 108,000 miles · CA

It's not letting me select any parts there is a glitch in this website. It is my entire wiring system! Has cost us 100s of dollars!

Filed Mar 20, 2013 · Electrical, Fuel system · 50,000 miles · CA

Smell of gas after refueling -- apparently similar to mercede benz --dealer reports the gaskets at the top of the fuel tank have failed for a repair cost of $8-900.00: water cooled alternator failure requiring $8-900.00