2004 Chevy Impala - no response after key security delay
Electrical problem 2004 Chevy Impala We have plenty of battery power on our Impala. The key start has two audible delay signals. After receiveing the signals, the engine has No response, just a disappointing spongy feel of turning the key. I was able to get it started after ten to twenty attempts, the car would run fine once cranked and would even restart immediately if warmed up. Now I'm getting nothing.
I suspect something electrical as an aside I noticed minor glitches when turning and using the signals
Re: 2004 Chevy Impala - no response after key security...
Almost sounds like it may have a vehicle recovery unit (GPS) installed. A lot of used car lots put these on their vehicles to shut down vehicles for non-payment, locating vehicles for non-payment, etc.. Some of the VRU's emit tones to indicate when you can start and cannot start the vehicle. I suggest listening to see if the sound(s) are coming form behind the dashboard. The VRU usually connects to a starter inhibit relay located somewhere fairly hidden. Find the relay and you can take it out, and all should be fine, of course you have to take the whole harness out and not just the relay. I found my VRU unit behind the fuse panel on the drivers side inside the dash and it was wired in to my OBD II with an adapter cable. Probably leftovers from a buy-here, pay-here car lot. Good luck and I hope this helps.
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Nov 26, 2012 - Uploaded by Artome001
Chevy Impala, 2008, does not crank or start. ... 2003-2007 Chevrolet/GMC Silverado/Sierra No Start/no crank/electrical issue FIX - Duration: ...
Why do think the key security is bad? If you still have a factory key, this is not the problem...if no factory key, you can take your VIN number or original key to GM dealer to get new key that they will program for you...Check for dirty battery connections:)
Hi Glenn, did you by chance replace your PCM with a used computer? If so you will need to have it reflashed, If not sounds to me like the Passkey security needs to be relearned. Also wondering why you replaced PCM after replacing EGR valve, Please if you can give me some more info on your veh. Body control module controls security so something is not right. Please get back to me, Thanks Randy.
If the battery has gone dead, it could cause the security system to go into full lock-up mode. If it has locked up the accessories will work after the battery is charged back up , but the power to the starter will be cut off and it wont turn over. You need to do the 30 minute learn procedure. A GM dealer will print it out for you and you can do it yourself. It's very simple if you follow the procedure exact. hope this helps and good luck.