Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) ECM-74 is stored if the control module detects that the signal from the throttle position (TP) sensor is too low at high load and high engine speed (RPM).

Substitute value
The fuel injection system diagnostics are disabled.

Possible source
- Contact resistance in the terminals
- Defective throttle position (TP) sensor.

Fault symptom[s]
- Transmission slap when applying / lifting off the throttle
- Limited DSA function.