Trouble Shooting

WARNING: This page is about a different car, the 1998 Oldsmobile Cutlass, 1998 Chevrolet Malibu, 1997 Oldsmobile Cutlass, and 1997 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

PCM will disable cruise control if any of the following conditions are detected:
- Engine is off.
- Automatic transaxle is in Park or Neutral.
- Engine speed is too high.
- Vehicle speed is too high.
- Diagnostic Trouble Codes (DTCs) are set.
Check fuses, and replace as necessary. Visually inspect for broken or open wires. Check for a broken or partially broken wire inside insulation which could cause system malfunction but prove good in a continuity/voltage check with system disconnected.
Check for Diagnostic Trouble Codes (DTCs). If any codes are present, see appropriate TESTS W/CODES article in ENGINE PERFORMANCE section:
- TESTS W/CODES (1997 - 2.4L)
- TESTS W/CODES (1997 - 3.1L)
- TESTS W/CODES (1998 - 2.4L)
- TESTS W/CODES (1998 - 3.1L)
Ensure cruise control module assembly linkage is connected and moving freely. Ensure cruise control linkage is not binding. Check cruise control cable adjustment. See CRUISE CONTROL CABLE ADJUSTMENT . Ensure brake switch is installed correctly. See CRUISE CONTROL RELEASE SWITCH & BRAKE SWITCH ADJUSTMENT . Ensure center high mounted brakelight is operating.
Ensure any aftermarket electronic equipment is properly installed. Check for inoperative speedometer.