Speedo zero, not shifting and abs/esp warning
11-23-2022, 06:46 PM
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CL500
Speedo zero, not shifting and abs/esp warning
Hi, this may have been posted before and I have googled other threads, but not exactly the same.
My issues are I have an intermittent ABS / ESP warning light, which is now prety much permanent.
I did make a massive cockup by putting a new battery in the rong way, which I have had checked at the garage and they have checked all fuses and replaced the large 150amp fuse which I think has protected the ecu etc as the car runs fine, except...
Now the speedo is reading zero and the gears wont shift, its like its in a limp home mode.
I see other threads suggesting tcu connection and wheel speed sensors, but are they the right place to start?
The garage has gone as far as I can afford to, without going deeper into control module checking and getting in another specialist to do that, so in the meantime I'm googling to see what I can turn up.
My issues are I have an intermittent ABS / ESP warning light, which is now prety much permanent.
I did make a massive cockup by putting a new battery in the rong way, which I have had checked at the garage and they have checked all fuses and replaced the large 150amp fuse which I think has protected the ecu etc as the car runs fine, except...
Now the speedo is reading zero and the gears wont shift, its like its in a limp home mode.
I see other threads suggesting tcu connection and wheel speed sensors, but are they the right place to start?
The garage has gone as far as I can afford to, without going deeper into control module checking and getting in another specialist to do that, so in the meantime I'm googling to see what I can turn up.
