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B1038 Diagnostic Trouble Code Discussion for August 2004

no uart comm.


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Trouble Ticket Help Requests for DTC B1038
Help Request Posted
1995 Buick Riviera 3.8L MIL Lamp on, NO COMMUNICATION VIN: 1G4GD22KXS
B1038: no uart comm. ... runs ok. Ck engine lamp is on. Tech 2 will not comm. with powertrain. But will comm. with body and give code B1038. On pin 9 of ALDL (UART LINE) we have 4.87 volts steady. Related issues are the atc control head was flashing. Has anyone seen this problem. ...
August 21, 2004
1995 Buick Riviera 3.8L MIL Lamp on, NO COMMUNICATION VIN: 1G4GD22KXS
B1038: no uart comm. ... runs ok. Ck engine lamp is on. Tech 2 will not comm. with powertrain. But will comm. with body and give code B1038. On pin 9 of ALDL (UART LINE) we have 4.87 volts steady. Related issues are the atc control head was flashing. Has anyone seen this problem. ...
August 21, 2004