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Code 82, Abs Calibration Fault: Notes

NOTE: To identify circuits and terminals referenced in text and flowcharts, see WIRING DIAGRAM  .

Electrically Erasable Programmable Read Only Memory (EEPROM) stores control algorithm and diagnostic calibrations within ABS module. These functions are checked regularly for accuracy. Calibration change could result in unpredictable Anti-Lock Brake System (ABS) operation. If any faults are detected, ABS operation will be disabled and ABS light will illuminate.

Code 82 will set if ABS module detects an internal error, or an incomplete calibration download.

Fig 1: Code 82 Diagnostic Flow Chart
G96A25072Courtesy of GENERAL MOTORS CORP.