DTC code

P0641: Sensor Reference Voltage A Malfunction

Vehicle-specific published guides for this diagnostic trouble code.

Sensor Reference Voltage A Malfunction

P0641 means the PCM may be seeing a problem on a sensor reference voltage circuit.

Article vehicle: 2010-2015 Honda Civic 1.8 Gas

P0641 may indicate a problem with the sensor reference voltage A circuit.

Article vehicle: 2010-2017 Honda Accord 2.4 Gas

P0641 may indicate a problem on a shared sensor reference voltage circuit monitored by the PCM.

Article vehicle: 2010-2016 Honda Cr V 2.4 Gas

P0641 may indicate that the PCM is seeing a problem with a sensor reference-voltage supply circuit.

Article vehicle: 2016-2024 Honda Civic 1.5TurboGas

P0641 may mean the PCM is seeing the sensor reference voltage A circuit outside the range it expects.

Article vehicle: 2020-2025 Honda Cr V 2.0Hybrid

P0641 may mean the PCM is detecting an out-of-range sensor reference voltage on a shared reference circuit.

Article vehicle: 2018-2025 Honda Accord 2.0Hybrid