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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 372 (INSTRUMENT PANEL, GAUGES & CONSOLE)
1999 GMC Forward Control 5.7 R, Automatic
Section 372 (Instrument Panel, Gauges & Console)
1999 GMC Forward Control 5.7 R, AutomaticSECTION Section 372 (Instrument Panel, Gauges & Console)
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Instrument Panel, Gages and Console
- Diagnostic System Check - Instrument Cluster
- Scan Tool Data List
- Scan Tool Data Definitions
- Diagnostic Trouble Code (DTC) List
- DTC P0461: No Change In Fuel Level Over Distance
- DTC P0462: Fuel Level Signal Voltage Low
- DTC P0463: Fuel Level Signal Voltage High
- DTC P0608: Driver State Mismatch
- DTC P1665: Fuel Level Signal Circuit
- Symptoms - Instrument Panel, Gages and Console
- Engine Coolant Temperature Gage Inaccurate or Inoperative
- Engine Oil Pressure Gage Inaccurate or Inoperative
- Fuel Gage Inaccurate or Inoperative (Gas)
- Fuel Gage Inaccurate or Inoperative (Diesel)
- Gages Inoperative - All
- Speedometer and/or Odometer Inaccurate or Inoperative (Diesel)
- Speedometer and/or Odometer Inaccurate or Inoperative (Gas)
- Volt Gage Inaccurate or Inoperative
- Chime Always On
- Chime Inoperative
- Water-in-Fuel Lamp Inoperative
- Water-in-Fuel Lamp Always On
- Repair Instructions
- Engine Coolant Level Indicator Module Replacement
- Vehicle Speed Sensor (VSS) Module Replacement
- Fuel Sender Buffer Module Replacement
- Multifunction Alarm Module Replacement
- Instrument Panel (I/P) Extension Trim Plate Replacement
- Instrument Panel (I/P) Extension Replacement
- Trim Panel Replacement - Knee Bolster
- Knee Bolster Replacement - Right
- Knee Bolster Replacement - Left
- Filler Panel Replacement - Instrument Panel (I/P) Cluster Lower
- Trim Plate Bezel Replacement - Instrument Panel (I/P) Cluster
- Compartment Replacement - Instrument Panel (I/P)
- Defroster Grille Replacement
- Instrument Panel (I/P) Assist Handle Replacement
- Trim Pad Replacement - Instrument Panel (I/P) Upper
- Bracket Replacement - Knee Bolster
- Instrument Panel Cluster (IPC) Replacement
- 12-Volt Power Supply Replacement (Luxury Y91)
- Instrument Panel (I/P) Carrier Replacement
- Battery Negative Cable Disconnect/Connect Procedure
- Description and Operation
- Special Tools and Equipment
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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.