Trouble Code Conditions

SPECIAL TOOLS
Volvo scan tool No. 998 8686, or equivalent

CONDITION
Diagnostic Trouble Code (DTC) AT-411 is posted if the Transmission Control Module (TCM) registers that information cannot be written from the EEPROM memory circuit.

SUBSTITUTE VALUE
None.

POSSIBLE SOURCE
Fault in the TCM.

FAULT SYMPTOM(S)
No fault symptoms.

TESTING PROCEDURE
Start fault-tracing at EEPROM, fault in memory. EEPROM, Fault In Memory