Code P083, 24X Reference Signal High: Notes
WARNING: This page is about a different car, the 1995 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
This test checks for 24X signal at a logic high condition. Fault can be induced by failure of either crankshaft position sensor "A" or "B" input signal to ignition control module. Under such condition, ignition control module would force the 24X signal high. This test also checks for 24X shorted to battery externally. Code P083 will set if either conditions are met.