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Lexus
Nissan
Toyota
P1810
CAN Data Bus Malfunction
Lexus · network
Data confidence
62%
The control module detected improper operation of the CAN Data Bus. This is the manufacturer-specific definition used by Lexus.
TuningBot DTC Database · v4.37.15
P1810 Diagnostic Trouble Code (3 interpretations)
3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
Lexus
1 interpretation
Nissan
1 interpretation
P1810
4 LO Switch
Nissan · engine
Data confidence
62%
The control module detected a fault associated with the 4 LO Switch circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.
Toyota
1 interpretation
P1810
CAN data bus malfunction - malfunction
Toyota · network
Data confidence
62%
The control module detected improper operation of the CAN data bus malfunction. This is the manufacturer-specific definition used by Toyota.
Possible causes
Wiring
Related and nearby codes
How to read P1810
P
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
810
Specific fault index within the subsystem.
Frequently asked questions about P1810
What does P1810 mean?
Diagnostic Trouble Code (3 interpretations). The control module detected improper operation of the CAN Data Bus. This is the manufacturer-specific definition used by Lexus.
Is P1810 generic or manufacturer-specific?
P1810 is a manufacturer-specific code. In this database it is documented for: Lexus, Nissan, Toyota. The same number can mean something different on other brands.
Can TuningBot remove P1810 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic