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 38 (ENGINE CONTROLS - TESTS W/CODES - 4.3L)DIAGNOSTIC TROUBLE CODESDTC P1380 - ELECTRONIC BRAKE CONTROL MODULE (EBCM) DTC DETECTED ROUGH ROAD DATA UNSTABLECIRCUIT DESCRIPTION
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Circuit Description
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Circuit Description
WARNING: This page is about a different car, the 1998 GMC Pickup and 1998 Chevrolet Pickup. However, it is still accessible from the selected car via links, so may be relevant.
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 not greater than 5800 RPM.
- Engine load is not greater than 89.9 percent.
- Misfire DTC active and requesting MIL on.
RENDER: 1.0x
NO RELATED
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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.