U3449 Honda 145 DTC Code

Honda 145 Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	W-Type Engine
Engine Air Intake Process :	Naturally Aspirated

Your Honda 145 engine control system detects a problem, the computer stores the diagnostic trouble code U3449 in its memory. To figure out what is wrong with your vehicle you must first extract the U3449 DTC For Honda 145.

On 1999 and later U3449 Honda 145 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

U3449 Honda 145 DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
3	SAE - Generic
4	Fuel And Air Metering (Injector Circuit Malfunctions Only)
4	Control Module Throttle Actuator Position Performance
9	A/C System High Pressure High Temperature

There are currently two main types of cylinder deactivation used today, depending on the type of engine. U3449 Honda 145 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.