Michael Conley
Well-Known Member
So after sending my LR4 to the dealer to diagnose the problem I'm having here, They determined after about a week that it was the fuel injectors misfiring/weak spray on one bank (1,3,5,7).
In the process of getting a quote, I found an indy who though this was odd, especially since its unusual for an entire bank to go and that 5 of my emissions monitors are not ready, preventing me from getting inspected.
He had me come down so he could run some diagnostic and after some time he uncovers:
In his experience he would find it strange that the ECU would be something which would need replacement so we're both digging around the web to see what we can find.
Anyone run into this? Thinking a place to start would be to check the wiring between the ECU and the TCM.
Thanks
In the process of getting a quote, I found an indy who though this was odd, especially since its unusual for an entire bank to go and that 5 of my emissions monitors are not ready, preventing me from getting inspected.
He had me come down so he could run some diagnostic and after some time he uncovers:
- There are no misfires (*** dealership)
- The fuel system monitor should be one of the emissions monitors that should immediately gets ready the minute the car starts, which it this case, it's not.
- Fault code U0401-64 which indicates that the TCM isn't getting any data from the ECU.
In his experience he would find it strange that the ECU would be something which would need replacement so we're both digging around the web to see what we can find.
Anyone run into this? Thinking a place to start would be to check the wiring between the ECU and the TCM.
Thanks