Code 67, Cruise Engage Switches 3.8L

Code 67 will set if circuit No. 397 or 86 is open, set/coast or resume/accel switch is closed for an extended amount of time or any cruise engage switch circuit is shorted to voltage. Code 67 does not illuminate SERVICE ENGINE SOON light.

Fig 1: Code 67, Schematic, Cruise Engage Switches (3.8L)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Code 67, Flow Chart, Cruise Engage Switches (3.8L)

Courtesy of GENERAL MOTORS CORP.