: Inaccurate readings for air pressure, fuel levels, or vehicle speed.
This bulletin is not a simple "plug-and-play" instruction manual. It involves complex technical steps, including: bulletin 54-088
Owners of models such as the , Cascadia , and Business Class M2 should regularly check the NHTSA Service Bulletin Database to see if their Vehicle Identification Number (VIN) is affected by this or similar campaigns. ICU2M to ICU4M Conversion - nhtsa : Inaccurate readings for air pressure, fuel levels,
: After installation, specific tests must be conducted to ensure the new cluster communicates correctly with the vehicle's Engine Control Unit (ECU). Impact on Fleet Maintenance : Inaccurate readings for air pressure