I have an S Type 3.0 auto petrol 1999.
I have had no preoblems with my car until the other day.
Driving along i noticed a Gearbox Fault warning on the instrument panel.
I stopped. stopped the engine restarted it and the fault went away. later that day the fault came back.
When the fault is showing the gears dont select properly ie, 1 to 2 ok then they stay there.
When i stop the engine and restart without the fault showing the gears are back to normal.
Help please.
Fitchy (a new member)

 

Check battery voltage after car has not been used for 8+ hours.

If below 12.5V may need replacing.

If at least 12.5V then check there are no OBD codes and read fuel trims.

 

I agree with JagV8.

Also, when was the last time the trans fluid was refreshed?????.

 

I have put a new battery on within the last month, it shows green but when I went out to check it, i noticed that one of the terminals was not very tight so I have tigtened it up now, I need to try it again.
I am not an engineer could you please tell me what OBD codes are and read fuel trims?
Im a retired airline pilot and used to leave all the repairs to the mechanics ha ha.

 

Tomorrow I will go to the garage and have the fluid level in the gearbox checked and replaced if necessary, I supose there is a filter there also?

 

Huge choice - read up using forum Search with
fuel trims

 

Thanks v8 will do