Diagnostic Trouble Code (DTC) Information ECM-126D
Condition
The engine control module (ECM) checks the signal from the boost pressure sensor.
The diagnostic trouble code (DTC) is stored if the signal from the boost pressure sensor is lower than a certain value for a certain amount of time. The diagnostic trouble code (DTC) can be diagnosed at ignition on and with the engine running.
Substitute Value
- Limited boost pressure.
Possible Source
- Contact resistance or oxidation in the terminals
- Short-circuit to ground in the signal cable
- Damaged boost pressure sensor.
Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- Poor performance.