Monitored & Set Conditions
DTC P1698 is monitored only on vehicles equipped with automatic transmission, with the ignition on and battery voltage more than 10.0 volts. DTC will set when no bus messages are received from the Transmission Control Module (TCM) for 20 seconds. This is a 2-trip fault. See TRIP INDICATOR under ON-BOARD DIAGNOSTICS under SELF-DIAGNOSTIC SYSTEM.