1999 Deville code P 1660 I have a 1999 cadillac deville with trouble code p1660. I am going to try and explain everything I can with this car. I bought it and it had overheating issues. Took it to a …

2016年5月2日 · Hi, First time poster to the forum. I have searched for a solution to my problem but have only found replies on how to troubleshoot the fans and relays. I am getting a "P1660 …

2005年10月31日 · So in essence I could assign X to black and Y to green, in one direction or another, and viceversa (4 possibilities). So, I tried X to Y (flow), assigning black to Y [green to …

2010年4月9日 · P1660 - Cooling Fan Control Circuits Those pictures are very out of focus, but it looks like an electrical plug and based on the DTC I'd guess it was a plug to one of the cooling …

2003年9月9日 · Cooling fan control circuit problem. Is it "Current" or "History"?

2009年7月16日 · Thanks for the input guys. My friend pulled ten codes from it today. Various injectors, aux inputs/outputs, etc. including the P1660. I think much of that is due to sitting all …

2010年2月22日 · Along the way, I triggered a P1660 - cooling fan code, along with the Service Engine Soon light. I installed a new radiator and new condenser, and reinstalled my cooling …

2022年10月12日 · Good Evening, It's been a while since I last made an entry, but I need some more information... First, many thanks for your information and guidance in getting the head …

2011年10月17日 · Hey guys i just finished doing a head gasket repair on a newly aquired 1999 Sts.. The car is running ruff and the cooling fans are constantly running.. The 2 codes i get are …

2008年2月4日 · Morning all I have a 1997 Cadillac Deville D'Elegance . The "Service Engine Soon" light has been coming on lately. Pulling the codes I get a PCM 1660 usually History, …