P1389 Daihatsu U4 DTC Code

Daihatsu U4 Engine Specifications:

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

Your Daihatsu U4 engine control system detects a problem, the computer stores the diagnostic trouble code P1389 in its memory. To figure out what is wrong with your vehicle you must first extract the P1389 DTC For Daihatsu U4.

On 1999 and later P1389 Daihatsu U4 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.

P1389 Daihatsu U4 DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
1	MFG - Manufacturer Specific
3	IC Module 4X Ref Circuit Intermittent, No Pulses
8	Crankshaft Position Sensor Circuit Performance
9	A/C System High Pressure High Temperature

When you turn on the ignition, the Service Engine Soon or Check Engine P1389 Daihatsu U4 light should flash briefly, indicating that the OBD system is ready to scan your vehicle for any malfunctions. After this brief flash, the light should stay off while you drive as long as no problems are detected. If P1389 DTC For Daihatsu U4 so, you'll be glad to know that your vehicle is equipped with an early warning system that could save you time, money, and fuel in addition to helping protect the P1389!