Diagnostic trouble code (DTC) information ECM-2B00

Condition

Fig 1: Identifying Fuel Pressure Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

The engine control module (ECM) checks the signal from the fuel temperature sensor.

Diagnostic trouble code (DTC) ECM-2B00 is stored in the engine control module (ECM) if the engine control module (ECM) registers a fault in the signal from the fuel temperature sensor.

Diagnostic trouble code (DTC) ECM-2B00 can be diagnosed when the ignition is on.

Substitute Value

The fuel temperature is set to a substitute value.

Possible Source

Signal too high

Short-circuit to supply voltage in the signal cable
Defective fuel temperature sensor.

Signal too low

Short-circuit to ground in the signal cable
Open-circuit in the signal cable
Defective fuel temperature sensor.

Fault symptom[s]

None.