2002 Pontiac Grand Prix Cruise Control

Tiny
SCREWYNEWY
  • MEMBER
  • 2002 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 125,000 MILES
Cruise quit working one day. Checked the fuse and it was ok. Took it to the shop and was told I need a new cruise control module. First off, where is this module located and secondly, can a wannabe shade tree mechanic handle replacing this? They wanted $359 for the module and another $100 to install. Please help.
Friday, June 19th, 2009 AT 9:28 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS


https://www.2carpros.com/forum/automotive_pictures/62217_cruisea_1.jpg



https://www.2carpros.com/forum/automotive_pictures/62217_granprix_1.jpg



https://www.2carpros.com/forum/automotive_pictures/62217_cruiseb_1.jpg


CRUISE CONTROL INOPERATIVE/MALFUNCTIONING Diagnostic Aids Conditions for Enabling Cruise Control à   When vehicle speed is more than 40 km/h (25 mph) à   When PARK, REVERSE, NEUTRAL, or 1st gear is not indicated. à   When an over/undercharged battery condition does not exist. à   With normal engine RPM. IMPORTANT: Perform the following in order to avoid misdiagnosis. à   Inspect for proper operation of brake lamps. à   Inspect throttle linkage for mechanical binding which could cause the system to malfunction. à   Inspect cruise control cable adjustment, should have minimum slack. à   Inspect for stored Diagnostic Trouble Codes (DTCs) in the PCM. à   EMI on the speed sensor signal circuit may cause erratic cruise control operation. Module is 2nd diagram with part 2 pointing to it.
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Saturday, June 20th, 2009 AT 6:10 PM

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