This bulletin applies to 2018-2022 Honda Accord vehicles equipped with a 2.0L engine. The MIL may be on with DTC P061B (PCM internal malfunction).
During cold engine startup in high altitudes, the boost pressure and engine speed can increase rapidly, setting the DTC. To address this, update the PGM-F1 software using i-HDS 1.006.042 or later; HDS version 3.104.047 or later.
YEAR/MODEL PROGRAM ID (or later)
2018-2019 Accord Sport MT.......................37805-6B2-A080
2018-2019 Accord EX-L Sport 2.0L AT..........37805-6B2-A590
2018-2019 Accord Touring 2.0L AT..............37805-6B2-A690
2020 Accord Sport 2.0L MT..........................37805-6B2-A230
2020 Accord EX-L Sport AT...........................37805-6B2-A750
