Car Problem Reports

Honda Accord Update PCM Software to Fix CEL and High Idle When Engine is Cold

Honda Accord Problem
5 Reports
Me Too

Model Years Affected: 2003, 2004

Exhaust & Emissions Affected: 2.4L 4 Cylinder

Average Mileage: 132,666 mi (104,000 mi - 160,000 mi)


If the idle is higher than normal when the engine is cold and the Check Engine Light is on, the powertrain control module (PCM) may need a software update to fix the concern.

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