Transmission stuck in forth gear check engine light is on.
Auto transm.stays in 4th gear all the time.d4 on panel was blinking.i had local mechanic do diag.scan since check engine light was on.mechanic said check tcu and ecm.i had both tcu and ecm refurbished with reputable company. still have same symptom except d4 no longer blinks.if u manually shift to lower gear car begins to miss and sputter badly.car runs ok in 4th gear (except for no power from dead stop) until u reach 70 mph then missing and sputtering starts.
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code p 0734 refers to gear 4--incorrect ratio===causes --wiring---TR sensor/ switch---shift solenoids---transmission mechanical fault
I would check the operation of the transmission ration sensor/switch first as that is the most likely place that the fault is
check engine lights are not solely for the engine but report on transmission problems as well
a transmission mechanical fault is the absolute last that you should consider because the transmission will revert to normal operations until it selects gear 4 which indicates sensor or solenoid problem
ok first the srs light is on when there is a malfunctioning with the airbag system, need to get that check out, and about the transmission you should check the fluid to see if it is on level of if it needs a flush.
Here is how to do that..
1- open hood
2- by the driver's side on the engine there is a dip stick that says transmission fluid
3- check if it is in right level
if it is not recomend a transmission fluid flush and check transmission
Hi, a few questions 1st. Did your mechanic check for engine codes? Is your Honda a v-6 or 4 cylinder? The flashing D4 light indicates a possible transmission malfunction. You should avoid rapid acceleration until the cause of the light blinking is determined. If you have the V-6, there is a diagnostic port to connect a scan tool to read any stored engine codes that have turned on the check engine light. This port is located behind the ashtray in the center console (most cars did not have this til 96). If you have the 4 cyl engine, there is a service connector located under the dash on the pass. side. Inside the connector is what looks like a 2 wire plug should be attached. Take a paper clip, unbend it, and insert the 2 ends of the clip into the connector to 'jump' it. Turn the ignition switch to the on position (don't start the vehicle), and the check engine light will flash. Count the flashes, short flashes are for code #'s 1 to 9 (single digit code), a 2 digit code will be a long flash for the 1st digit, followed by a short flash for the 2nd digit. If there is more than one code, they will be separated by a pause. They will repeat so you can count them and write them down. Let me know what the code #'s are so I can help further. Curt
Theres a transmission cooling sensor and somtimes the wire comes loose from other repairs being done around it. or its just out. its on the left side sitting on the tranny. THATS WHY your d4 light is blinking
The D4 light blinking is the vehicle computer telling you there is a transmission malfunction and transmission codes are stored in the computer's memory.The codes have to be pulled out manually unless it has an OBD2 connector.A transmission shop or Honda dealer can pull the codes.