Auto transm.stays in 4th gear all the time with blinking D4 on shift panel and check engine light on.had both ecu and tcm checked and refurbished by reputable company.still have same symptom except D4 stopped blinking.if you manually shift to lower gear engine begins to miss and sputter badly.car runs ok in 4th gear (except for no power from a dead stop) until you reach 70 mph then missing and sputtering begins.
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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
good question. what i would have to tell you is to have the car checked again to make sure that you get the same code than i would see if there is any warranty on this if not you will have to have a repair shop perform the repairs You might be able to get the part from autozone or cragen that will save you some money there
best regards mike
you have a transmission fault the D4 light blinks to tell you that there is a transmission problem when the light is blinking the transmission computer put the transmission into limp home mode so it will not shift normally and you should try not to drive it very far when it gets to this stage you need to have the transmission codes check to pin point the problem
check the shift solenoids by using a OHM METER .the both solenoid connectors has 2 terminals 1 and 2 .take ohm meter measure terminal 1 resistance to body ground it should be 14-30 ohms.if less or more replace it.then number 2 terminal to ground.do both the connectors that you disconnect.they should be 14-30 ohms.if less or more replace them.if they check out good .your valve body in transmission is going have to be removed.
the neutral safty switch tells the comp. what gear is in. when its not working the light wont move and the car will not go threw the gears prop. the switch is nown to go out. it is located on the tranny or down under the shifter
Blinking light means there is a trouble code.There is a procedure to manually pull codes from the computer.Have the codes checked,have them written down.It could be just shift solenoids,or could even be something more serious,but thats the starting point.