Update the PGM-FI software using i-HDS software version 1.006.026 or later, and HDS software version 3.104.014 or later.
This bulletin applies to 2021 Honda Odyssey vehicles. The MIL may be on, accompanied by DTC U0155 (lost communication with Gauge Control Module).
During certain conditions, after conducting an EVAP emission leak check, a mismatch in control module shutdown commands results in the DTC being set. Also, if you rapidly press the engine start/stop button during engine cranking, this may result in the DTC being set.
Update the PGM-FI software using i-HDS software version 1.006.026 or later, and HDS software version 3.104.014 or later.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
