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. BERU’s glow plug control unit uses three-phase technology to ensure optimal performance of your glow plugs: Phase 1: pre-heating initiated when the ignition starts. Glow plugs are quickly heated up to 1300° Celsius. Phase 2: Heating during starting to ensure optimal combustion of your fuel. Phase 3: Post-heating. If you can access codes from the GPCM module, then the U0106 code is either intermittent or a memory code. If unable to communicate with the GPCM module, then the U0106 code that the other modules are setting is active, and the problem is there now. The most common failure is loss of power or ground. Check all fuses that power up the GPCM I began smelling fuel outside my Q7, turns out it had a leak from the top of the tank. That leak was actually cracks forming in the fuel system at the top o Glow period control unit 2 -J703- Relay for 3rd heat setting -J959-6: 60/80: Heater element for auxiliary air heater -Z35- (2 x 400 W) 7: 15: Map-controlled engine cooling system thermostat -F265-Automatic glow period control unit -J179-Throttle valve module -J338-Low heat output relay -J359-High heat output relay -J360-Turbocharger 1 control For the rest, either there was no long coding assistant available, or in the case of two options that did have helpful information in a popup window, the coding options are only: 0=Not Installed. +1=Trailer Hitch Installed. +2=Optional Parking System Installed. On these two options, the number 2 was coded. 43. Berryton, KS. Jul 22, 2017. #2. 98089571 full dealer price $273.66. NO doubt you can find it for much less. Glow Plug Control Module Programming and Setup. The following service procedures require either a programming or a setup event performed for a complete repair. GPCM Replacement. If the test lamp does not illuminate, test the affected glow plug harness between the glow plug control module and the glow plug for an open, short to ground or high resistance. Ignition OFF, and the affected glow plug disconnected, measure the resistance between the affected glow plug terminal A and ground with a DMM for less than 1 ohm. Glow plug flashing orange, car seems slower to pick up like turbo not working, poor acceleration. Trying to rev over 2-2,500rpm eventually results in Emissions light coming on constant (orange engine light) car then goes into limp mode. VAC test show; P2002 (00) particulate trap efficiency below threashold, bank 1. VRxvl9.