How to Pull and Clear Diagnostic Trouble Codes (DTC's)

Diagnostic Trouble Code (DTC) Memory

Test Preparation for DTC Readout
1 . Connect impulse counter scan tool or Hand-Held Tester (HHT) to the data link connector (X11/4). Connecting Tester Or Scanner, Reading and Erasing DTC Memory

Note: Connect yellow wire from impulse counter scan tool to:
ADS control module (N51) socket 11
Base module (N16/1) socket 8

2. Read out any stored DTC's from ADS control module (N51) and BM (NiGh).

Special Tools

DTC 1 - 12:

DTC 13 - 23: