C0273

CIRCUIT DESCRIPTION
The Electronic Brake Control Module (EBCM) initializes a self-test when the ignition is turned to the RUN position. This internal self-test verifies that all ABS circuitry is operating correctly.

CONDITIONS FOR SETTING THE DTC
Any condition within the EBCM which causes a memory error will set the DTC.

ACTION TAKEN WHEN THE DTC SETS.
^ The ABS indicator lamp is turned on
^ The ABS is disabled

These Diagnostic Trouble Codes (DTCs) are Permanent Latched DTCs, which indicates that the above actions remain true until the DTC is cleared using a Scan Tool.

CONDITIONS FOR CLEARING THE DTC
^ Repair the conditions responsible for setting the DTC
^ Use the Scan Tool Clear DTCs function

DIAGNOSTIC AIDS
DTCs C0071-C0073 are EBCM internal diagnosis trouble codes. Replace the EBCM if these tests show that the EBCM circuitry has failed.

TEST DESCRIPTION
The numbers below refer to the steps in the diagnostic table:
2. This step checks if the EBCM will Clear DTCs.
3. This step checks if the DTC was set previously.