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How can I bypass the transponder key module on my 2006 Chevy impala so I can use any key. I've lost both my keys to it. I just need to het it started and I can't afford to have a new transponder key made.

Posted by Jason M O'Neal on

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1 Answer

john h

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  • Cars & Trucks Master
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No bypass

Posted on May 18, 2018

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5 Related Answers

Anonymous

SOURCE: 2001 chevy venture lost key

You must get a new key from the dealer. Bring in the registration, and photo I.D. Then they will cut you a key. After that, try this procedure....

  1. With a master passkey III key (Black), turn ON the ignition, with the engine OFF.
  2. Observe the Security telltale, after approximately 10 minutes the telltale will turn off.
  3. Turn OFF the ignition, and wait 5 seconds.
  4. Repeat steps 1-3 two more times for a total of 3 cycles or 30 minutes.
  5. With a master passkey III key, start the vehicle. The vehicle has now learned the key transponder information and the PCM has now learned the fuel continue password.
  6. If it does not work, you will need to get it to the dealer.
GM technicians on-line

Posted on Nov 08, 2008

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warlock61

warlock61

  • 659 Answers

SOURCE: 2001 Ford Expedition: inexpensive new ignition (transponder) key?

the old keys or another expedition key can be reprogrammed to your vehicle, the only thing is you would have to change the lock cylinder to match the key or swap the ignition from another expedition with that has the key

Posted on Apr 21, 2009

emissionwiz

Marvin

  • 85231 Answers

SOURCE: How do I program my key for my 2006 Chevy Impala?

Add Duplicate Key (PK3 or PK3+ key)
1. Insert an existing key into the ignition cylinder.
2. Turn the ignition cylinder to ON (RUN) and back to OFF.
3. Remove the existing key and, within fifteen seconds, insert the new key
and turn it to ON (RUN).
4. The security light will light up for two seconds to indicate success in programming
the key into the vehicle.
Originate New Master Key (PK3 or PK3+ key)

1. Insert new key into ignition cylinder and turn it to the ON (RUN) position.
The security light on the dash will illuminate and stay on for ten minutes.
2. When the security light goes out, you have one minute to start the next
step. Turn the ignition cylinder to OFF and then back to the ON (RUN)
position. The security light on the dash will illuminate and stay on for ten
more minutes.
3. When the security light goes out, you have one minute to start the next
step. Turn the ignition cylinder to OFF and then back on the ON (RUN)
position. The security light on the dash will illuminate and stay on for ten
more minutes.
4. After the security light has gone off the third time, the key has been programmed
into the vehicle’s computer and will operate the car. It has replaced ALL the
previous electronic key codes and is the ONLY key programmed into the
vehicle’s computer.

Add Duplicate Key (PK3 or PK3+ key)

1. Insert an existing key into the ignition cylinder.
2. Turn the ignition cylinder to ON (RUN) and back to OFF.
3. Remove the existing key and, within fifteen seconds, insert the new key
and turn it to ON (RUN).
4. The security light will light up for two seconds to indicate success in programming
the key into the vehicle.

Posted on May 20, 2009

Anonymous

  • 82 Answers

SOURCE: transponder key issue

Try disconnect battery for 30 minutes. Sounds like new key not synced with computer. Might need reprogram.

Posted on Jul 10, 2009

Anonymous

  • 1 Answer

SOURCE: Key remote stopped working

I HAD THE SAME PROBLEM, CHANGED OUT BATTERIES IN MY REMOTES AND HAD THEM TESTED AND THEY WORKED FINE. THEY DEALERSHIP STATED IT WAS NOT UNDER WARANTY AND IT WOULD COST $600 TO FIX IT. YOU CAN ONLY REPLACE IT THRU A CHEVY DEALERSHIP. KIND OF A SCAM!

Posted on Sep 08, 2009

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Engine stalls after a few seconds..'99 Venture


Does the security light flash or come on steady ? Have a lot of thing's on your key ring ? Other key's with transponder inside , Do you know what a transponder is ?

The Ignition Key (Transponder)
The ignition key for PASS-Key® III equipped vehicles is a typical ignition key using a transponder pellet located in the end of the key. The ignition key transponder value is used in order to determine if a valid ignition key is being used in order to start the vehicle. When the ignition key is inserted into the ignition cylinder and the PASS-Key® III module detects the ignition voltage (the ignition switch is in RUN or START) the module measures the transponder pellet value. The PASS-Key® III module validates this value and performs the following functions:
• If the ignition key transponder value is valid, the PASS-Key® III module performs the following (system enable) functions:
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- The PCM enables the fuel system.
- This function enables the engine to start.
• If the ignition key transponder value is invalid, the PASS-Key® performs the following (system disable) functions:
- The PASS-Key® III module does not send the fuel request signal to the PCM.
- The PCM does not enable the fuel system.
- This function does not enable the engine to start and run. The engine may start and then stall due to residual fuel in the fuel system.
The PASS-Key® III module can identify up to 10 valid key codes to operate the vehicle.

Having excess thing's on you ring , including other PASS-Key® III keys , can confuse the computers .

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