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 MANUALSPONTIAC1997GRAND PRIX GTP, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROLS - TESTS W/CODES - 3.1L ENGINE)DIAGNOSTIC TROUBLE CODESDTC P1380 - EBTCM DTC DETECTED ROUGH ROAD DATA UNUSABLECIRCUIT DESCRIPTION
1997 Pontiac Grand Prix GTP, 4D Sedan
Circuit Description
1997 Pontiac Grand Prix GTP, 4D SedanSECTION Circuit Description
WARNING: This page is about a different variant/trim than selected.
This DTC is used to determine when the EBTCM has lost the ability to provide rough road data to the PCM for misfire detection (DTC P0300). When the PCM sees that this condition is present, through the serial data, DTC will set.
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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.