The control module detected a fault associated with the CAN Communication With Other Control Units Installed Not Possible circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.
TuningBot DTC Database · v4.37.15
P1926 Diagnostic Trouble Code (3 interpretations)
3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.
Dodge
1 interpretation
Ford
1 interpretationThe control module judged the Fuel Additive Level signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions. This is the manufacturer-specific definition used by Ford.
Mazda
1 interpretationThe control module judged the Fuel Additive Level signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions. This is the manufacturer-specific definition used by Mazda.
Related and nearby codes
How to read P1926
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1926
What does P1926 mean?
Diagnostic Trouble Code (3 interpretations). The control module detected a fault associated with the CAN Communication With Other Control Units Installed Not Possible circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.
Is P1926 generic or manufacturer-specific?
P1926 is a manufacturer-specific code. In this database it is documented for: Dodge, Ford, Mazda. The same number can mean something different on other brands.
Can TuningBot remove P1926 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
