Diagnostic Trouble Code (DTC) Information

2004 Volvo V70 L5-2.5L Turbo VIN 59 B5254T2SECTION Diagnostic Trouble Code (DTC) Information





Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) ECM-801A is stored if the voltage from the system relay to the control module is greater than 2.5 V but lower than 3 V (signal missing) or if the power supply for the control module to the electronic throttle module is lower than 8 V (faulty signal). The fault is diagnosed when the ignition is on.

Substitute value
None.

Possible source

Signal missing
- Faulty charging system
- Contact resistance in the terminals
- Open-circuit in the signal cable for the system relay
- Faulty system relay.

Faulty signal
- Faulty charging system
- Contact resistance in the terminals
- Faulty system relay.

Fault symptom[s]
- The engine fails to start
- The engine runs poorly.

RENDER: 1.0x

NO RELATED

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