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 735 (ENTERTAINMENT SYSTEM)DESCRIPTION AND OPERATIONRADIO/AUDIO SYSTEM DESCRIPTION AND OPERATIONERR (ERROR) INDICATOR
1999 GMC Forward Control 5.7 R, Automatic
ERR (Error) Indicator
1999 GMC Forward Control 5.7 R, AutomaticSECTION ERR (Error) Indicator
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Under certain conditions ERR will appear on the VF display. The following can cause an ERR message to display:
- Operational and/or interior ambient temperatures are too high.
- Operational and/or interior ambient temperatures are too low.
- Driving on very rough road.
Perform the following to reset the ERR indicator:
Press RECALL to clear ERR indicator from the VF display.
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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.