Update PCM Software to Fix CEL and High Idle When Engine is Cold: Honda Accord Muffler & Exhaust

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 comments

Schedule Repair

Honda Accord vehicles with this problem

3 model years affected

Average mileage: 148,339 miles

(104,000 - 180,000)

Repairs related to this problem

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