Q: Would I have to completely replace the the pcm and pats system to replace the transceiver behind the key?

asked by on December 13, 2016

I bought the car salvage. I replaced the ignition and had it programmed. But, when I tried to start the car the pats system told the car not to start. The red light blinks constantly for a period of time. I was wondering if I go to the salvage yard and get the key, ignition, transceiver, pcm, and pats if that'll allow me to start the car?

My car has 99000 miles.
My car has an automatic transmission.

All you have to do is go to the dealer and have them reprogram the PATS system to work with the new keys. This will be a lot less to get done than what all the replacement parts will cost and will still have problems since all modules in vehicle are programmed to work together and reprogramming would still need to be done.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

ABS ON after 18MPH
The light comes on after 18mph since this is the speed where the ABS will start to work on your car. The light is coming on due to one or more wheel speed sensors (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-wheel-speed-sensor) are not sending a signal...
Loud noise from engine plus vibrations & shaking
Hello. The excessive vibration may be due to a faulty motor or transmission mount (https://www.yourmechanic.com/services/engine-mount-replacement). The vibration likely can be coming from  the braking system as well. Warped rotors (https://www.yourmechanic.com/services/brake-rotor-disc-replacement) commonly cause such vibrations when stopping.  The loud noise coming...
What could be cuasing my problems?
I would recommend having the battery tested along with the voltage regulator. When the voltage regulator does not regulate amperage correctly to the accessories (i.e. gauges, etc.), this can cause problems with accuracy and allowing them to read correctly. I...
Overheating way to fast
Hello. If the engine overheats this fast then you should do a block test. This sounds like a blown head gasket or a cracked head. When this occurs combustion pressure enters the cooling system and causes this to occur. I...
Is it possible to take used key fob and reprogram it?
Hi there. You could reprogram a key fob to a different vehicle as long as the key is the same for the vehicle. In this case, if the key can go into the doors and unlock them, then you would...
while driving, when i let completely off the gas pedal the truck kind of jumps and makes a clunk sound
Hi Zach. Thanks for contacting us today. There are a few things you should look into with these symptoms. First and most common is that the clunk sound you hear is coming from a loose driveshaft. This could be due...
When reversing after car sits overnight, there is a loud clunking sound coming from left rear. Seems to stop once car warms up. Ca
Hi Corinne. Thanks for contacting us today. Sometimes, this type of problem is an indication of a wheel bearing that is starting to wear. As the wheel spins, it will build-up heat and the noise can go away. However, over...
Car Kind of jolts or jerks right when coming to a complete stop.
The transmission shift points can be checked to see if the transmission is causing the jerking or it is caused by the brakes. A scanner can monitor the shift points to see if the transmission has sticking shift solenoids or...

Related articles

Mercury Certified Pre-Owned (CPO) Car Program
Drivers Drivers who are shopping around for a used Mercury vehicle may want to check out cars under their certified pre-owned program. Many manufacturers have a certified pre-owned (CPO) program, and each one is set up differently. Read on to...
How Much Does a Mechanic Make in Nebraska?
Automotive technician jobs in Nebraska have an average mechanic salary of $38k, while the national average is roughly $37k.
Understanding the Mercury Intelligent Oil Life Monitor and Service Indicator Lights
Car symbols, or dashboard lights, are a car service reminder. The Mercury Intelligent Oil Life Monitor indicates when and what service your car needs.