The tail lights on your vehicle keep you visible on the road and help prevent accidents by communicating your intended direction and braking to other drivers. Many vehicles have a tail light assembly that may include the appropriate sockets and housings to protect tail light bulbs, brake lights, turn signals, and often the reverse lights as well. I have changed all new glow plugs, new battery, both new Coolant Fans with control units and new Glow Plug relay (Glow Plug Control Unit). When I changed new Glow plug relay, I got following faults and I had to change the old relay back. Faults with new glow plug relay. 3 Faults Found: 1. 14555 - No Communication with Glow Plug Control Module Code 18068/P1660. My question is 1. where is the "Radiator Fan Control Module" located and 2 as any one have this happen (Fan running on high Ignition OFF) and what was the solution. I know it not the coolant sensor, or the Engine Control Module Power Supply Relay J271, or Fuses. both are new and fuses are good. On average, the cost for a Audi Q7 Glow Plugs & Timer Replacement is $163 with $68 for parts and $95 for labor. Prices may vary depending on your location. Car. Service. Estimate. Shop/Dealer Price. 2012 Audi Q7 V6-3.0L Turbo. Service type. Glow Plugs & Timer Replacement. Remove the ground on the small relay terminal and jumper it to ground. If it works now there is a problem with the module or PCM. Check the glow plugs for an open circuit. Pull the connector off the glow plugs. Use a test light and connect it to the positive battery terminal. Touch each terminal to a glow plug. 2nd thing, it seems like you might have a battery or regulator problem, might just be use of VCDS and scanning car without having a charger connected, but if you have issues with battery it would be worth checking battery condition as well as charging. Would be interesting to know how hard/severely the bump was. The image above shows the location of the glow plugs on a VW Jetta engine. In this instance, the glow plugs are provided with individual leads (not shown here) from the glow plug control module, and at first glance, the leads and the glow plugs themselves look almost like miniature spark plugs. The P0670 triggers when the powertrain control module (PCM) detects a problem with the glow plug control module or its circuit. Some diesel-powered vehicles have glow plugs. When the key is turned, the glow plug control module or PCM will turn on the glow plugs for a set amount of time. The amount of time the glow plugs are activated is Many chain store will prescribe the same glow plug for vehicles from 1996 to 2006 and it ain't so. Your car has glow plugs that work at a different voltage than the pre-2004 cars and are also software update dependent. You will have to know which software is in your engine computer to get it right. wuLG.

audi q7 glow plug control module location