Update PCM Software to Fix CEL and High Idle When Engine is Cold on Honda Accord
Problem overview
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.
13 people reported this problem
3 commentsHonda Accord vehicles with this problem
Average mileage: 148,339 miles
(104,000 - 180,000)
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