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 MANUALSCHEVROLET1997CHEVY EXPRESS G3500, VAN CARGO, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 18 (ENGINE CONTROLS - TESTS W/CODES - 7.4L (G SERIES))DIAGNOSTIC TROUBLE CODESDTC P1380 - ELECTRONIC BRAKE CONTROL MODULE (EBCM) DTC DETECTED ROUGH ROAD DATA UNUSABLECIRCUIT DESCRIPTION
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 F
Circuit Description
1997 Chevrolet Chevy Express G3500, Van Cargo, 6.5 FSECTION Circuit Description
WARNING: This page is about a different variant/trim than selected.
This diagnostic determines if ABS is capable of detecting a rough road situation.
DTC will set when the following conditions are present:
- Vehicle speed is at least one MPH.
- Engine speed is less than 5800 RPM.
- Engine load is not greater than 89.9 percent.
- DTC P0300 is set and requesting MIL on.
- Rough road indicator not being sent by EBCM.
RENDER: 1.0x
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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.