Found the problem.
these early m273 me9.7 are write only.
they have a tprot block.
i got my hands on a me9.7 from m156 6.2l amg engine, and this one i can read with my hpt.
i cracked both open...
Type: Posts; User: jenslantto
Found the problem.
these early m273 me9.7 are write only.
they have a tprot block.
i got my hands on a me9.7 from m156 6.2l amg engine, and this one i can read with my hpt.
i cracked both open...
its an old 2007 cls 500.
m273.960 engine.
interface is a MPVI3
Editor is 5.1.122
good day.
new on hptuners, and first me9.7 ecu for me.
getting a error message that says not authorized when im trying to read it through obd.
any suggestions on what to do?