Electric Shut down help needed
Thread Starter
Racer
Joined: Jun 2003
Posts: 446
Likes: 2
Electric Shut down help needed
I have a 98 vette that moves about 10 feet then shuts down. One place said it was the security system to do with the key cylinder so they replaced that and it did not fix it. It will restart every time when you let it set a couple of minutes. There are no codes being set.
Thanks for any help in advance
Nelson
Thanks for any help in advance
Nelson
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
You car is shutting down because of a VATS Security issue. The resistor chip in your key isnt making proper contact and the BCM is killing fuel when it senses vehicle speed or movement.
The dealer ship was sort of correct but didnt fix the CORRECT part of the switch!
The small metal can (sensor) in FRONT of the ignition switch is where theresistor chip reading contacts are located. Either the resistor chip is bad, its the wrong value or theres a problem in that circuit.
Heres a pic of the sensor on the front of the ignition switch:
Put the key in the ignition switch. Unplug the wire from the harness under the dash and read the connector contacts from the sensor with an ohm meter. Record the value, Then figure out what resistance value your key resistor is suppose to be and see if they match. You can read the resistor pellet in the key with an ohm meter.
The dealer ship was sort of correct but didnt fix the CORRECT part of the switch!
The small metal can (sensor) in FRONT of the ignition switch is where theresistor chip reading contacts are located. Either the resistor chip is bad, its the wrong value or theres a problem in that circuit.
Heres a pic of the sensor on the front of the ignition switch:
Put the key in the ignition switch. Unplug the wire from the harness under the dash and read the connector contacts from the sensor with an ohm meter. Record the value, Then figure out what resistance value your key resistor is suppose to be and see if they match. You can read the resistor pellet in the key with an ohm meter.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
I dont have that part number but,,,you can call Gene Culley ( www.gmpartshouse.com ) and see if he can get it for you. In the mean time,,,try your spare key and find out what resistance reading your key is. You can purchase a precision resistor of the same value from a local electronics store and insert that resistor in the car side of the electrical connector to eliminate that sensor. Thats a tempo fix if VATS resistance value is the issue.
Do you have any DTCs or messages in the DIC that might indicate that it a Column Lock Issue???? Do you have a Column Lock By-Pass module installed????
BC
Do you have any DTCs or messages in the DIC that might indicate that it a Column Lock Issue???? Do you have a Column Lock By-Pass module installed????
BC
