Diagnostic trouble code (DTC) information
Condition
Each time the ignition is switched on, the control module checks the ROM memory circuit in the control module. Diagnostic trouble code (DTC) AT-412 is stored the second time the ignition is switched on if the control module registers a fault in the memory circuit.
Substitute Value
- None.
Possible Source
- Defective control module.
Fault symptom[s]
- The warning lamp in the combined instrument panel flashes.