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.
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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 616 (CRUISE CONTROL SYSTEM)
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Section 616 (Cruise Control System)
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Section 616 (Cruise Control System)
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Cruise Control
- Diagnostic System Check - Cruise Control (3.4L)
- Diagnostic System Check - Cruise Control (3.6L)
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions (Cruise Control)
- Scan Tool Data Definitions (Disengage History)
- Diagnostic Trouble Code (DTC) List
- DTC P0567: Cruise Control Resume Switch Circuit
- DTC P0568: Cruise Control Set Switch Circuit
- DTC P1554: Cruise Control Feedback Circuit
- DTC P1585: Cruise Control Inhibit Output Circuit
- Symptoms - Cruise Control
- Cruise Control Indicator Always On (3.6L)
- Cruise Control Indicator Always On (3.4L)
- Cruise Control Indicator Inoperative (3.6L)
- Cruise Control Indicator Inoperative (3.4L)
- Cruise Control Inoperative/Malfunctioning (3.4L)
- Cruise Control Inoperative/Malfunctioning (3.6L)
- Repair Instructions
- Description and Operation
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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.