Body Control Systems

DTC 20

DTC 20:

Conditions for Setting the DTC

The body control module (BCM) maintains a random access memory (RAM) copy of the electrically erasable programmable read only memory (EEPROM) data.
Each of the eight tables is checked periodically to verity the checksum.
If the checksum is wrong the DTC is set.


Diagnostic Aids
Clear the DTC.
It the DTC resets, remove fuse F29 to reset the BCM.