PCM update to fix misfire and false CEL on Honda Accord

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

The PCM can misinterpret misfire data and set a false Check Engine (MIL) light requiring a PCM update to repair.

11 people reported this problem
5 comments
Schedule Repair

Honda Accord vehicles with this problem

Average mileage: 115,357 miles
(68,000 - 163,000)

Search for another problem

RepairPal Car Genius

Ask our experts about your Honda.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Available 9am – 6pm ET Monday through Friday

Call Our Experts
© 2026 RepairPal, Inc. RepairPal® RepairPal Certified®