Acura
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    AT - signal failure
Cause:
    Communication wire, ECM

GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    EVAP Purge Solenoid Control Circuit Conditions
Cause:
    Key on, and then the PCM detected an improper voltage level on ODM B' output 5-fault line circuit, all conditions met for 5-30 seconds (length of time to set varies by engine family)

Honda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    AT - signal failure
Cause:
    Communication wire, ECM

Saab
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Fuel pump relay - short to positive
Cause:
    Wiring short to positive, connectors, fuel pump relay