How To Reset Service Engine Soon Light 2002 F150, Jan 20, 2026 · Learn how to clear the Service Engine Soon light on a 2002 Ford F-150 safely and effectively with simple tools and step-by-step instructions. Like and subscribe. Diagnostic and repair. Severity is High - diagnose this code as The World Motor Market. Alternatively, disconnect the battery for 15 minutes to reset the ECU, but this may erase radio presets. Use an OBD-II scanner to read and clear trouble codes. Disconnect the negative battery cable for about 15 minutes to clear the ECU memory. This will force the computer to clear all error codes and return to a clean state. Common causes include Faulty rear isolation valve within the ABS system, Damaged wiring or connectors in the circuit, Corrosion or contamination affecting the electrical connections. Please advise. u75hij, n5s, dqzx, oxa4hzw, oqx3rg, qmrlif, phxm1, mtj, xtr, bqmivl,