Circuit Description
WARNING: This page is about a different car, the 2000 Isuzu Hombre. However, it is still accessible from the selected car via links, so may be relevant.
Vehicle Control Module (VCM) program memory contains data essential for correct engine and transmission operation. At power-up, VCM check integrity of this data. If program memory data does not match preset values, DTC P0601 is set.
Condition required to set DTC is:
- VCM unable to correctly read data from flash memory.