P0743

System/Component
Torque Converter clutch

Fault Code
P0743

Fault Type
Plausibility No
Signal Yes
Minimum Threshold Yes
Maximum Threshold Yes

Monitoring Method
Plausibility/check circuit

Signal Type
ECM internal signal/value computation or comparison

Time Length and Frequency for Monitoring/Diagnosis
25 sec/once per ignition key on

Criteria for storing fault code
fault during 2 trips

Criteria for illuminating the MIL
fault during 2 trips and end of 2nd trip

Criteria used for determining out of range values and input component rationality check
UBATT Yes
Ground Yes
Disconnect Yes

Electronic Control Module (ECM)
Fault if (engine speed - calculated turbine speed) is > 288 rpm.