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P1656
5V Reference Circuit
Dodge · engine
Data confidence
62%
The control module detected improper operation of the 5V Reference circuit. This is the manufacturer-specific definition used by Dodge.
TuningBot DTC Database · v4.37.15
P1656 Dodge - 5V Reference Circuit
Manufacturer-specific interpretation for Dodge. All interpretations of P1656
What P1656 means
Related and nearby codes
How to read P1656
P
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
656
Specific fault index within the subsystem.
Frequently asked questions about P1656
What does P1656 mean?
5V Reference Circuit. The control module detected improper operation of the 5V Reference circuit. This is the manufacturer-specific definition used by Dodge.
Is P1656 generic or manufacturer-specific?
P1656 is a manufacturer-specific code. In this database it is documented for: Dodge. The same number can mean something different on other brands.
Can TuningBot remove P1656 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