Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBUICK1998LESABRE V6-3.8L VIN KREPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATIONENTERING THE DIAGNOSTIC MODE
1998 Buick LeSabre V6-3.8L VIN K
Entering the Diagnostic Mode
1998 Buick LeSabre V6-3.8L VIN KSECTION Entering the Diagnostic Mode
To enter the MALL module Diagnostic Mode, turn the ignition switch to ON, then perform the following procedure.
1. Press and hold the power door unlock switch.
2. Cycle the headlamps six times. (Cycling of the headlamp switch must occur within 20 seconds of pressing the unlock switch.)
3. Release power door unlock switch.
1. Press and hold the power door unlock switch.
2. Cycle the headlamps six times. (Cycling of the headlamp switch must occur within 20 seconds of pressing the unlock switch.)
3. Release power door unlock switch.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.