0806816

Flash: Anti Lock Brake (ABS) Module System Enhancements This bulletin involves updating the Anit-Lock Brake System (ABS) module software. A small number of vehicles may have mismapped Diagnostic Trouble Codes (DTCs) below pointing to the wrong modules with no Malfunction Indicator Lamp (MIL) illumination: NOTE: This update should be performed to reduce the potential for misdiagnosis of related systems and incorrect module replacement. · U0100-00 - Lost Communication With ECM/PCM. · U0140-00 - Lost Communication With Body Control Module. · U0101-00 - Lost Communication With TCM. · U0402-00 - Implausible Data Received From TCM.