By Sensei Nacho
For the past few months, my keyless entry has not been working. Today I decided to fix this. I followed the guide seen here,
. Everything works until the part where you are supposed to hold the lock on the keyfob to lock it, and unlock to unlock it. It simply doesn't do it. Does anyone have a solution?
2007 Lexus RX350 - Trying to register new keys using techstream. Everything goes normally until the actual registration step.. says it is registering and timer starts the countdown, then after several seconds it stops with message:
"Key Registration has failed. The communication error occurred between the key and the ECU".
DTCs logged are B2794: Unmatched Encryption Code B2795: Unmatched key Code B2798: Communication Malfunction No.2
Tried it using two new keys.... same failure message.
I WAS able to successfully program the remote-entry buttons on those same two keys using the Techstream.
Anyone have any knowledge/ideas about this please??
Thank you! Nick
Hey guys! Been a solid 45.5 days since the LS gave me a problem. 😅
Had the car dropped off at a service station for a wash yesterday, drove it around all day after it was back, even went out to get groceries late at night. Tried starting her up this afternoon, but she won't. I hear the click but no cranking after. Opened the hood to have a look and it looked like it was washed inside. Called the service guy up and he said they pressure washed under the hood. How should I proceed from here?
Funny how the LS always surprises me with these problems. This noon, I had to get somewhere in a REAL hurry and boom! Unfortunately I didn't have my second car with me too, had to take a cab, and the cabs here are DIRTY 😰. I think It's got a mind of its own and loves putting me in desperate situations.
Edit: Battery is only a few months old. Headlights, radio and everything electrical seems to work fine.
I hope everyone's day is going well, I am in search of having an additional master key made for our newly purchased 2004 RX330. the car only came with 1 key. The local dealer wants around $250 for this. I was wondering if anyone knows someplace other then dealer that could make another master key including the FOB programming.
Thank you everyone for the suggestions,
I purchased a new key shell and a used electronic remote head transmitter (key fob) on ebay for my 2002 LS, I had the key cut locally, copying my existing key.
Long story short, I returned the remote because the transponder would not pair with my car using any online instructions or the locksmith's programmer. No good if you can't get past security. Good thing I verified that it could be returned if it didn't work.
Before returning it, I noted that the remote electronics unit didn't have the same number imprinted on it as my existing remote (50111). I bought a second key fob on ebay after verifying it had the same remote identification number. To my great relief, I successfully programmed the transponder and remote function (lock, unlock, open trunk) using the following procedures:
You have 35 seconds to complete steps 1-5 and 10 seconds to complete step 6. If not performed quickly enough, the car will not go into programming mode and the key transponder will not pair with your car.
Close all doors. Insert an already programmed master key into the ignition. Turn the key from the OFF to On and back OFF FIVE (5) times. Open and close the driver's door SIX (6) times. Remove the key from the ignition. Insert the new key to be programmed into the ignition. Leave it in the OFF position. Wait 1 to 2 minutes. The security light will be blinking. When it stops blinking your key is programmed. To end programming step on the brake one time.
If the blinking security light does not go off within 2 minutes, the procedure must be repeated from the beginning.
Verify success by starting the engine. ________________________________________
Close and lock all doors. Unlock and open driver's door. Insert key into ignition and remove TWO TIMES. Close and open the driver's door TWO TIMES. Insert key into the ignition and remove ONE TIME. Close and open the driver's door TWO TIMES. Insert key into the ignition. Close the driver's door. Turn ignition ON then OFF ONE TIME.
(Do not start engine)
This will place the car in ADD mode for your remote.
Note: Turning the ignition ON then OFF TWO TIMES will ADD the remote AND will erase all existing remotes. Remove the key from the ignition.
The door locks will cycle one time (or two if set to erase existing remotes). On the REMOTE press and hold both the LOCK and UNLOCK button for 2 to 5 seconds and release.
Hold the remote higher for better reception. On the REMOTE press and hold the LOCK button for 1 to 3 seconds and release.
If the door locks cycle once, the procedure was accepted.
If the door locks cycle twice it has failed and the procedure must be repeated from the beginning. To end programming, open and close the driver's door then insert key in ignition and remove it. Verify success by pressing any button on the remote. ________________________________________
I make no claims to be an expert with respect to this process or anything for that matter. I was happy that I was able to get my key / remote to function and pass on what worked for me in case it might help someone in the same situation. These instructions are refined from a source which I found online, but I have since lost the original source info.