Diagnostic Trouble Code (DTC) Information ECM-4350
Condition
The engine control module (ECM) checks the control signal to the heater element in the leak diagnostic pump.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers a fault on the control signal.
The diagnostic trouble code (DTC) can be diagnosed when the leak diagnostic system is run.
Substitute Value
- None.
Possible Source
Signal too high
- Short-circuit to ground in the signal cable
- Damaged leak diagnostic pump.
Signal too low
- Short-circuit to supply voltage in the signal cable
- Open-circuit in the signal cable
- Damaged leak diagnostic pump.
Fault symptom[s]
- None.