DTC A082: Calibration Malfunction

CALIBRATION MALFUNCTION

Circuit Description
This DTC allows the electronic brake control module (EBCM) to check for a calibration malfunction by comparing the calibration value to a known value stored in the EEPROM. This DTC is also used as a security measure to prevent improper use of calibrations or changes to these calibrations that may after the designed function of the ABS.

Diagnosis
This test will identify a situation in which the calibration checksum is not equal to the resident checksum.

Cause(s)
- The calibration is incorrect.
- The calibrations are not programmed.
- The EBCM is faulty.

Fail Action
This is a critical operational fault. The ABS is disabled and the ABS warning lamp is turned on.

Test Description
The number(s) below refer to step(s) on the diagnostic table.
1. This step checks to see if the malfunction is present during diagnosis. If present, the EBCM is not functioning correctly and must be replaced.

Diagnostic Aids
An intermittent DTC A082 may be caused by a bad cell in the EEPROM that is sensitive to temperature changes. If DTC A082 failed more than once, but is intermittent, replace the EBCM.
Check the frequency of the malfunction by using the enhanced diagnostic feature of the scan tool as described in "Scan Tool Diagnostics." Scan Tool Diagnostics





DTC: A082 - Calibration Malfunction