DTC 01

Diagnostic Trouble Code (DTC)s, 1,11, And 12. Invalid Diagnostic Trouble Codes:

CIRCUIT DESCRIPTION
Diagnostic Trouble Codes (DTC)s 1,11 and 12 do not exist. They are the result of misreading the BRAKE lamp flashes. The Tech 1 scan tool will not display these DTCs. If these DTCs are encountered, review the procedure for manually reading DTCs.

TEST DESCRIPTION
1. Check DTCs by manually grounding terminals A and H of the DLC.
2. Verify the correct procedure was used.
3. Check DTCs using the Tech 1.